{"product_id":"harddrive-regulator-chr-big-twin-1981-1988-oem-74516-86-820-60127","title":"Harddrive Regulator - CHR BIG Twin `1981-1988 OEM 74516-86 — Harley-Davidson Tour Glide Classic, Electra Glide, Electra Glide Classic (1981-1988)","description":"\u003cp\u003eHarddrive regulator for big twin Harley-Davidson motorcycles, 1981-1988. Built to OEM specifications with sealed, high-temperature construction and quality SCR (Silicon Controlled Rectifier) circuitry for cooler, more stable voltage regulation.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eMeets or exceeds OEM specifications\u003c\/li\u003e\n  \u003cli\u003eHigh-power SCR (Silicon Controlled Rectifier) design\u003c\/li\u003e\n  \u003cli\u003eSealed, high-temperature encapsulation\u003c\/li\u003e\n  \u003cli\u003eLate-technology surface mount circuit board for improved heat dissipation\u003c\/li\u003e\n  \u003cli\u003eOEM-grade high-temperature wiring harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Harddrive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e H1686C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM Reference:\u003c\/strong\u003e 1981-1988 Harley Big Twin 74516-86\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 191361170058\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.3893 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China (Mainland)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson big twin motorcycles, 1981 through 1988 model years. Direct replacement for OEM part 74516-86.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this fit my 1979 or 1980 Harley big twin?\u003c\/h3\u003e\n\u003cp\u003eThis regulator is designed for 1981-1988 models. Earlier bikes may use different OEM part numbers — verify with your dealer before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat does the SCR design do?\u003c\/h3\u003e\n\u003cp\u003eThe Silicon Controlled Rectifier circuitry allows cooler operation and more stable voltage output under load compared with standard regulators.\u003c\/p\u003e\n\u003ch3\u003eIs this a direct bolt-in replacement?\u003c\/h3\u003e\n\u003cp\u003eYes — this regulator meets OEM specifications and uses the original factory wiring harness connection for direct installation.\u003c\/p\u003e\n\u003ch3\u003eWhy is it sealed?\u003c\/h3\u003e\n\u003cp\u003eHigh-temperature sealed encapsulation protects the internal circuitry from moisture, dirt, and extreme engine heat, extending service life.\u003c\/p\u003e","brand":"Harddrive","offers":[{"title":"Default Title","offer_id":53035441782895,"sku":"820-60127","price":215.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_a15cd13f-030d-486b-96a6-cf04596fcc5b.png?v=1779565492","url":"https:\/\/vtwinbikers.com\/products\/harddrive-regulator-chr-big-twin-1981-1988-oem-74516-86-820-60127","provider":"Vtwinbikers","version":"1.0","type":"link"}