{"product_id":"mcs538411","title":"Compu-Fire Ignition Module, Wire \u0026 Coil Kit. Electric Start – 1970–1999 Big Twin and 1971–2001…","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eSingle fire. For electric start models. With 538405 module with slower advance curves for high compression engines that struggle with detonation issues. Full advance is reached at a higher RPM. Comes with a single fire ignition coil and a set of universal spark plug wires. Note: A tach adapter (MCS 538408) is required to correct tacho-output when using single fire ignition; for correct RPM representation.\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003e70-99 Big Twin (excl. Twin Cam) and 71-01 Sportster (excl. 1200S). Models electric start\u003c\/p\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Compu-Fire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e ELECTRICAL \u0026gt; IGNITIONS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct code:\u003c\/strong\u003e 538411\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":57360649978243,"sku":"MCS538411","price":563.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/538411k.jpg?v=1775723358","url":"https:\/\/hogparts.com\/products\/mcs538411","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}