{"product_id":"twin-power-08-17-fxst-flst-voltage-regulator-chrome-replaces-h-d-74540-08-40-amp","title":"Twin Power 08-17 FXST FLST Voltage Regulator Chrome — Fits Harley-Davidson","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout TwinPower\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eTwinPower engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full TwinPower lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/VT4bp3KaagE\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eTwin Power Chrome Voltage Regulator for Harley-Davidson FXST \u0026amp; FLST Models (2008-2017)\u003c\/h2\u003e\n\u003cp\u003eEnsure your Harley-Davidson's electrical system is running optimally with this high-quality Chrome Voltage Regulator from Twin Power. Designed as a direct replacement for Harley-Davidson part number 74540-08, this 40 Amp regulator is engineered for reliability and performance, keeping your battery charged and your electronics powered.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Benefits:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Fit Replacement:\u003c\/strong\u003e Engineered to perfectly replace H-D# 74540-08 for seamless installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnhanced Durability:\u003c\/strong\u003e Constructed with premium materials for long-lasting service in demanding conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChrome Finish:\u003c\/strong\u003e Adds a stylish, custom look to your motorcycle's engine bay.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e40 Amp Capacity:\u003c\/strong\u003e Provides ample power to support your motorcycle's electrical needs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Specifically designed for a broad range of Harley-Davidson FXST and FLST models from 2008 to 2017, including Heritage Softail Classic, Fat Boy, Fat Boy Lo, Cross Bones, Rocker, Rocker C, Blackline, CVO Softail Convertible, and Softail Custom.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eComprehensive Fitment:\u003c\/h3\u003e\n\u003cp\u003eThis voltage regulator is compatible with the following Harley-Davidson models:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2008-2017\u003c\/strong\u003e FLSTC Heritage Softail Classic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2008-2017\u003c\/strong\u003e FLSTF Fat Boy\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2010-2017\u003c\/strong\u003e FLSTFB Fat Boy Lo\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2014-2015\u003c\/strong\u003e FLSTNSE CVO Softail Deluxe\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2008-2011\u003c\/strong\u003e FLSTSB Cross Bones\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2010-2012\u003c\/strong\u003e FLSTSE CVO Softail Convertible\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2008-2009\u003c\/strong\u003e FXCW Rocker\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2008-2011\u003c\/strong\u003e FXCWC Rocker C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2011-2013\u003c\/strong\u003e FXS Blackline\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2013-2014\u003c\/strong\u003e FXSBSE CVO Breakout\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2008-2009\u003c\/strong\u003e FXSTB Night Train\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2008-2010\u003c\/strong\u003e FXSTC Softail Custom\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMaintain the peak performance and aesthetic appeal of your ride. Get your Twin Power Chrome Voltage Regulator today at GGCRACING!\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;\"\u003e\n\u003ch3 style=\"margin:0 0 8px;\"\u003eVehicle Fitment\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;font-size:0.92em;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f0f0f0;text-align:left;\"\u003e\n\u003cth style=\"padding:6px 10px;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"padding:6px 10px;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"padding:6px 10px;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding:6px 10px;\"\u003eTrim\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2008-2017\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eFLSTC Heritage Softail Classic\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2008-2017\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eFLSTF Fat Boy\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2010-2017\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eFLSTFB Fat Boy Lo\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2014-2015\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eFLSTNSE CVO Softail Deluxe\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2010-2012\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eFLSTSE CVO Softail Convertible\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2008-2009\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eFXCW Rocker\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2008-2011\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eFXCWC Rocker C\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2011-2013\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eFXS Blackline\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2013-2014\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eFXSBSE CVO Breakout\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2008-2010\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eFXSTC Softail Custom\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular TwinPower products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/twin-power-84-91-evolution-big-twin-top-end-gasket-kit-replaces-h-d-17033-83b-3-5-inch-bore\" style=\"color:#0066cc;text-decoration:none;\"\u003eTwin Power Evolution Big Twin Top End Gasket Kit - 3.5 Inch Bore\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/twin-power-91-03-xl-883-top-end-gasket-kit-replaces-hd-17032-91-std-bore\" style=\"color:#0066cc;text-decoration:none;\"\u003eTwin Power XL 883 Top End Gasket Kit - STD Bore\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/twin-power-91-03-xl-1200-top-end-gasket-kit-replaces-h-d-17032-91\" style=\"color:#0066cc;text-decoration:none;\"\u003eTwin Power 91-03 XL 1200 Sportster Top End Gasket Kit — Fits Harley-Davidson\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/twin-power-99-17-twin-cam-big-twin-rocker-box-gasket-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eTwin Power 99-17 Twin Cam Big Twin Rocker Box Gasket Kit — Fits Harley-Davidson\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/twin-power-84-91-evo-big-twin-rocker-box-gasket-kit-replaces-h-d-17038-90\" style=\"color:#0066cc;text-decoration:none;\"\u003eTwin Power 84-91 Evo Big Twin Rocker Box Gasket Kit — Fits Harley-Davidson\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Twin Power 08-17 FXST FLST Voltage Regulator Chrome \\u2014 Fits Harley-Davidson\",\"description\":\"Upgrade your Harley-Davidson FXST\/FLST with this Twin Power Chrome Voltage Regulator (08-17). Replaces H-D 74540-08. Shop now at GGCRACING!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"TwinPower\"},\"mpn\":\"498258\",\"url\":\"https:\/\/ggcracing.com\/products\/twin-power-08-17-fxst-flst-voltage-regulator-chrome-replaces-h-d-74540-08-40-amp\",\"offers\":{\"@type\":\"Offer\",\"price\":\"114.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/twin-power-08-17-fxst-flst-voltage-regulator-chrome-replaces-h-d-74540-08-40-amp\",\"sku\":\"TWP498258\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Suspension\",\"item\":\"https:\/\/ggcracing.com\/collections\/suspension\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"TwinPower\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=TwinPower\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Twin Power 08-17 FXST FLST Voltage Regulator Chrome \\u2014 Fits Harley-Davidson\",\"item\":\"https:\/\/ggcracing.com\/products\/twin-power-08-17-fxst-flst-voltage-regulator-chrome-replaces-h-d-74540-08-40-amp\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Twin Power 08-17 FXST FLST Voltage Regulator Chrome \\u2014 Fits Harley-Davidson fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Use the fitment table above to confirm.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for TwinPower?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Twin Power 08-17 FXST FLST Voltage Regulator Chrome \\u2014 Fits Harley-Davidson?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Suspension work requires proper spring compressors and torque specs. Plan 2-4 hours per corner for a DIY install.\"}}]}\u003c\/script\u003e","brand":"TwinPower","offers":[{"title":"Default Title","offer_id":41492027048020,"sku":"TWP498258","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/784116e447929357c8aa6313eb0efcedL.jpg?v=1737947982","url":"https:\/\/ggcracing.com\/products\/twin-power-08-17-fxst-flst-voltage-regulator-chrome-replaces-h-d-74540-08-40-amp","provider":"GGCRACING INC","version":"1.0","type":"link"}