{"id":42,"date":"2026-10-01T18:25:15","date_gmt":"2026-10-01T18:25:15","guid":{"rendered":"https:\/\/alteregocycle.com\/?post_type=product&#038;p=42"},"modified":"2026-10-07T15:38:26","modified_gmt":"2026-10-07T15:38:26","slug":"drag-specialties-copper-spark-plugs-1975-1999-big-twin-pair","status":"publish","type":"product","link":"https:\/\/alteregocycle.com\/?product=drag-specialties-copper-spark-plugs-1975-1999-big-twin-pair","title":{"rendered":"Drag Specialties Copper Spark Plugs \u2014 1975\u20131999 Big Twin (Pair)"},"content":{"rendered":"<p><strong>Brand:<\/strong> Drag Specialties<\/p>\n<h2>Product details<\/h2>\n<p>Drag Specialties copper-core resistor spark plugs with black ceramic bodies and red branding. Sold as a pair.<\/p>\n<ul>\n<li>95% pure alumina insulator provides heat-shock resistance and insulation.<\/li>\n<li>Multi-rib insulator design helps prevent flashover.<\/li>\n<li>Nickel-plated housing resists oxidation and corrosion.<\/li>\n<li>Multi-layer gaskets and crimped construction provide a gas-tight seal.<\/li>\n<li>Copper core provides electrical and thermal conductivity.<\/li>\n<\/ul>\n<h2>Specifications<\/h2>\n<table style=\"width:100%;border-collapse:collapse;margin:16px 0 24px;font-size:16px;line-height:1.6\">\n<tbody>\n<tr>\n<th scope=\"row\" style=\"width:42%;padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;background-color:#292929;color:#f2f2f2\">Brand<\/th>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Drag Specialties<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" style=\"width:42%;padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;background-color:#292929;color:#f2f2f2\">Distributor Part Number<\/th>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">2103-0199<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" style=\"width:42%;padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;background-color:#292929;color:#f2f2f2\">Product Type<\/th>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Spark Plug<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" style=\"width:42%;padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;background-color:#292929;color:#f2f2f2\">Type<\/th>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Resistor<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" style=\"width:42%;padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;background-color:#292929;color:#f2f2f2\">Style<\/th>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Copper<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" style=\"width:42%;padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;background-color:#292929;color:#f2f2f2\">Model<\/th>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">BPR5ES-11<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" style=\"width:42%;padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;background-color:#292929;color:#f2f2f2\">Terminal Configuration<\/th>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Removable nut<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" style=\"width:42%;padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;background-color:#292929;color:#f2f2f2\">Center Electrode Projection<\/th>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Projected<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" style=\"width:42%;padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;background-color:#292929;color:#f2f2f2\">Electrode Tip Material<\/th>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Nickel alloy<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" style=\"width:42%;padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;background-color:#292929;color:#f2f2f2\">Center Electrode Type<\/th>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Standard<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" style=\"width:42%;padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;background-color:#292929;color:#f2f2f2\">Ground Electrode Configuration<\/th>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Single<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" style=\"width:42%;padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;background-color:#292929;color:#f2f2f2\">Ground Electrode Shape<\/th>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Standard<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" style=\"width:42%;padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;background-color:#292929;color:#f2f2f2\">Thread Reach<\/th>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">19.1 mm (3\/4 inch)<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" style=\"width:42%;padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;background-color:#292929;color:#f2f2f2\">Hex Size<\/th>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">16 mm<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" style=\"width:42%;padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;background-color:#292929;color:#f2f2f2\">Heat Range<\/th>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">5<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" style=\"width:42%;padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;background-color:#292929;color:#f2f2f2\">Sold As<\/th>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Pair<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" style=\"width:42%;padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;background-color:#292929;color:#f2f2f2\">Riding Style<\/th>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Street<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Vehicle fitment<\/h2>\n<p>Listed Harley-Davidson applications for Drag Specialties part 2103-0199. Match both your motorcycle\u2019s model and year. Year ranges include their endpoints.<\/p>\n<table style=\"width:100%;border-collapse:collapse;margin:16px 0 24px;font-size:16px;line-height:1.6\">\n<thead>\n<tr>\n<th scope=\"col\" style=\"padding:12px 16px;text-align:left;vertical-align:top;border-bottom:2px solid #b5121b;background-color:#292929;color:#f2f2f2\">Year(s)<\/th>\n<th scope=\"col\" style=\"padding:12px 16px;text-align:left;vertical-align:top;border-bottom:2px solid #b5121b;background-color:#292929;color:#f2f2f2\">Make<\/th>\n<th scope=\"col\" style=\"padding:12px 16px;text-align:left;vertical-align:top;border-bottom:2px solid #b5121b;background-color:#292929;color:#f2f2f2\">Model<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1999<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXSTB Night Train<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1998<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Road King EFI FLHR<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1998<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLHRCI Road King Classic<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1998<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLTR Road Glide<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1998<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLTRI Road Glide<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1998<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Electra Glide Ultra Classic FLHTCU<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1997\u20131999<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLSTS Heritage Springer<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1996\u20131997<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLHRI Road King<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1996<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLTCUI Tour Glide Ultra Classic<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1996<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Tour Glide Ultra Classic FLTCU<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1995\u20131998<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXD Dyna Super Glide<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1995\u20131998<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXDS-Conv Dyna Convertible<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1995\u20131998<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLHTCUI Electra Glide Ultra Classic<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1995\u20131998<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLHTCI Electra Glide Classic<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1995\u20131997<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXSTSB Bad Boy<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1994\u20131998<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLHR Road King<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1994\u20131996<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLSTN Heritage Softail Special<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1993\u20131998<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXDWG Dyna Wide Glide<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1993\u20131998<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXDL Dyna Low Rider<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1993<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Sport Glide FXRT<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1993<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLSTN Heritage Softail Nostalgia<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1992<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXDC Super Glide Custom<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1990\u20131999<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLSTF Fat Boy<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1990\u20131993<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXRS-Conv Low Rider Sport Convertible<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1989\u20131997<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLHTCU Electra Glide Ultra Classic<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1989\u20131995<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLTCU Tour Glide Ultra Classic<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1989\u20131990, 1993<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Low Rider FXRS<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1988\u20131999<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLSTC Heritage Softail Classic<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1988\u20131999<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXSTS Springer Softail<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1988\u20131993<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXRS-SP Low Rider Sport<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1987\u20131994<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXLR Low Rider Custom<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1987<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Softail Heritage Classic FLSTC<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1986\u20131999<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXSTC Softail Custom<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1986\u20131990<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLST Heritage Softail<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1986\u20131987<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLHT Electra Glide Standard<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1986<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXRD Sport Glide Grand Touring<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1985, 1987<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXRC Low Rider Chrome<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1984\u20131993<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXST Softail Standard<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1984\u20131988, 1991\u20131992<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXRS Low Glide<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1984<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLHX Electra Glide Special<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1984<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXRDG Disc Glide<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1983\u20131998<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLHTC Electra Glide Classic<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1983\u20131992<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXRT Sport Glide<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1983\u20131985<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXSB Low Rider &#8211; Belt<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1983, 1985<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Electra Glide Standard FLHT<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1983<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXDG Disc Glide<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1982\u20131983, 1986\u20131994<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXR Super Glide II<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1982\u20131983<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Super Glide II FXRS<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1981\u20131993<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLTC Tour Glide Classic<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1981\u20131982<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Electra Glide Classic FLH<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1981<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Electra Glide Heritage FLH<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1980\u20131984<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXWG Wide Glide<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1980\u20131983<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLT Tour Glide<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1980\u20131982, 1987\u20131993<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLHS Electra Glide Sport<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1980\u20131982<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXB Sturgis<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1980, 1994<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Tour Glide Classic FLTC<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1979\u20131981, 1985<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXEF Fat Bob<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1979\u20131980<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1200 Fat Bob FXEF<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1979\u20131980<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1200 Super Glide FXE<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1979\u20131980<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Super Glide 80 FXE<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1979<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1200 Low Rider FXS<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1978\u20131980<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1200 Electra Glide FLH<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1977\u20131982<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXS Low Rider<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1975\u20131984<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FLH Electra Glide<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1975\u20131980<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Electra Glide FL<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1975\u20131978<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FXE Super Glide<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">1975\u20131978<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">Harley-Davidson<\/td>\n<td style=\"padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #555;color:#ededed\">FX Super Glide<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Fitment refers to stock motorcycles. Modifications may affect compatibility. Consult the manufacturer\u2019s application information and installation recommendations for your specific motorcycle.<\/p>\n<p>WARNING: Cancer and Reproductive Harm \u2014 www.P65Warnings.ca.gov<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pair of Drag Specialties copper-core resistor spark plugs with black ceramic bodies and red branding. Model BPR5ES-11. Listed for select 1975\u20131999 Harley-Davidson Big Twin applications; check the specific year and model before ordering.<\/p>\n<p>Sold as a pair. The price shown is for one pair.<\/p>\n","protected":false},"featured_media":43,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[153],"product_cat":[25,17,51],"product_tag":[],"class_list":["post-42","product","type-product","status-publish","has-post-thumbnail","product_brand-drag-specialties","product_cat-electrical-ignition","product_cat-parts","product_cat-spark-plugs","first","instock","featured","taxable","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Drag Specialties Copper Spark Plugs \u2014 1975\u20131999 Big Twin (Pair) - Alter Ego Motorcycle Supply<\/title>\n<meta name=\"description\" content=\"Pair of Drag Specialties copper-core resistor spark plugs with black ceramic bodies and red branding. Model BPR5ES-11. Listed for select 1975\u20131999 Harley-Davidson Big Twin applications; check the specific year and model before ordering. Sold as a pair. The price shown is for one pair.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/alteregocycle.com\/?product=drag-specialties-copper-spark-plugs-1975-1999-big-twin-pair\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Drag Specialties Copper Spark Plugs \u2014 1975\u20131999 Big Twin (Pair) - Alter Ego Motorcycle Supply\" \/>\n<meta property=\"og:description\" content=\"Pair of Drag Specialties copper-core resistor spark plugs with black ceramic bodies and red branding. Model BPR5ES-11. Listed for select 1975\u20131999 Harley-Davidson Big Twin applications; check the specific year and model before ordering. Sold as a pair. The price shown is for one pair.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/alteregocycle.com\/?product=drag-specialties-copper-spark-plugs-1975-1999-big-twin-pair\" \/>\n<meta property=\"og:site_name\" content=\"Alter Ego Motorcycle Supply\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/alteregomotorcycle\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-07T15:38:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/alteregocycle.com\/wp-content\/uploads\/2026\/10\/uf_9cba6505f39e42e9.png\" \/>\n\t<meta property=\"og:image:width\" content=\"633\" \/>\n\t<meta property=\"og:image:height\" content=\"644\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/alteregocycle.com\\\/?product=drag-specialties-copper-spark-plugs-1975-1999-big-twin-pair\",\"url\":\"https:\\\/\\\/alteregocycle.com\\\/?product=drag-specialties-copper-spark-plugs-1975-1999-big-twin-pair\",\"name\":\"Drag Specialties Copper Spark Plugs \u2014 1975\u20131999 Big Twin (Pair) - Alter Ego Motorcycle Supply\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/alteregocycle.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/alteregocycle.com\\\/?product=drag-specialties-copper-spark-plugs-1975-1999-big-twin-pair#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/alteregocycle.com\\\/?product=drag-specialties-copper-spark-plugs-1975-1999-big-twin-pair#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/alteregocycle.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/uf_9cba6505f39e42e9.png\",\"datePublished\":\"2026-10-01T18:25:15+00:00\",\"dateModified\":\"2026-10-07T15:38:26+00:00\",\"description\":\"Pair of Drag Specialties copper-core resistor spark plugs with black ceramic bodies and red branding. Model BPR5ES-11. Listed for select 1975\u20131999 Harley-Davidson Big Twin applications; check the specific year and model before ordering. Sold as a pair. 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