{"product_id":"32517-70t-new-oem-1941-1978-harley-davidson-big-twin-ignition-advance-unit","title":"32517-70T NEW OEM 1941-1978 HARLEY-DAVIDSON BIG TWIN IGNITION ADVANCE UNIT","description":"\u003ch1\u003e NEW OEM HARLEY-DAVIDSON BIG TWIN IGNITION ADVANCE UNIT (1941–1978) \u003c\/h1\u003e\n\u003ch3\u003e✔️ Genuine Harley-Davidson • ✔️ Vintage Correct • ✔️ Factory-Sealed\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eHarley-Davidson Part Number:\u003c\/strong\u003e 32517-70T\u003cbr\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand New in Original Harley-Davidson Packaging\u003c\/p\u003e\n\n\u003cp\u003e\nThis OEM Harley-Davidson Ignition Advance Unit is the correct factory-style mechanical advance used on \nBig Twin and Sportster models equipped with circuit breaker (points) ignition from the 1940s through the late \n1970s. Ideal for restorations, tuning, and riders who demand authentic OEM ignition performance.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e FEATURES \u0026amp; BENEFITS\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e✔️ Genuine Harley-Davidson OEM Part\u003c\/li\u003e\n  \u003cli\u003e✔️ Correct Mechanical Advance Unit for Circuit Breaker Ignition\u003c\/li\u003e\n  \u003cli\u003e✔️ Designed for 1941–1978 Big Twin and Sportster Models\u003c\/li\u003e\n  \u003cli\u003e✔️ Restores Smooth Ignition Timing and Throttle Response\u003c\/li\u003e\n  \u003cli\u003e✔️ Ideal for Vintage Restorations and Shovelhead\/Panhead Projects\u003c\/li\u003e\n  \u003cli\u003e✔️ Brand New, Never Installed, Factory-Sealed Package\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e✔️ TYPICAL FITMENT (VERIFY BY PART NUMBER 32517-70T)\u003c\/h2\u003e\n\n\u003ch3\u003eBIG TWIN \/ TOURING MODELS (EARLY 1978 \u0026amp; EARLIER)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFL \/ FLH Hydra-Glide, Duo-Glide, and Electra Glide Models\u003c\/li\u003e\n  \u003cli\u003eElectra-Glide FLH1200, FLH80, FLHF, FLHB, FLHFB\u003c\/li\u003e\n  \u003cli\u003eElectra-Glide Police Models\u003c\/li\u003e\n  \u003cli\u003eTouring Electra Glide Shovelhead Models (Early 1978 \u0026amp; Earlier)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFX SUPER GLIDE (1971–EARLY 1978)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFX \/ FX1200 Super Glide\u003c\/li\u003e\n  \u003cli\u003eFXE1200 Super Glide\u003c\/li\u003e\n  \u003cli\u003eFXS1200 Super Glide\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSPORTSTER 1000 MODELS (1971–1978)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSportster XLH\u003c\/li\u003e\n  \u003cli\u003eSportster XLCH1000\u003c\/li\u003e\n  \u003cli\u003eSportster XLT\u003c\/li\u003e\n  \u003cli\u003eSportster Standard Models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e(Always verify fitment with your Harley-Davidson parts manual using P\/N 32517-70T.)\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e WHY CHOOSE OEM?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e✔️ Correct Advance Curve for Vintage Harley Points Ignition\u003c\/li\u003e\n  \u003cli\u003e✔️ OEM Fit — No Modifications Required\u003c\/li\u003e\n  \u003cli\u003e✔️ Eliminates Timing Instability, Misfires, and Pinging\u003c\/li\u003e\n  \u003cli\u003e✔️ Essential for Proper Tuning of Shovelhead, Panhead, and Earlier Engines\u003c\/li\u003e\n  \u003cli\u003e✔️ Ensures Reliable Performance and Long-Term Durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e WHAT YOU RECEIVE\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Genuine Harley-Davidson Ignition Advance Unit\u003c\/li\u003e\n  \u003cli\u003eOEM Part Number 32517-70T\u003c\/li\u003e\n  \u003cli\u003eBrand New in Original Harley-Davidson Packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e FAST SHIPPING • VINTAGE HD PARTS SPECIALIST\u003c\/h2\u003e\n\u003cp\u003eYour part will be packaged securely and shipped quickly. Perfect for restorers, collectors, and riders keeping classic Harley-Davidson motorcycles on the road.\u003c\/p\u003e","brand":"NOSOEMPARTS","offers":[{"title":"Default Title","offer_id":48203478958323,"sku":"23474","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1554\/9009\/files\/2025_12_04_aa_3150_batcheditor_fotor.jpg?v=1764875656","url":"https:\/\/www.nosoemparts.com\/products\/32517-70t-new-oem-1941-1978-harley-davidson-big-twin-ignition-advance-unit","provider":"NOSOEMPARTS","version":"1.0","type":"link"}