{"product_id":"17543-performance-mechanical-advance-kit-for-big-twin-sportster","title":"Ignition Part Mech Advance Kit Big Twin 70 \/ 79 Sportster 71 \/ E79 Custom Ignition Stainless Steel Base \u0026 Shaft Re Cau-1","description":"\u003ch1\u003ePERFORMANCE MECHANICAL ADVANCE KIT FOR HARLEY DAVIDSON BIG TWIN \u0026amp; SPORTSTER\u003c\/h1\u003eWEIGHT: 0.33\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eSHAFT AND PLATE ARE STAINLESS STEEL MACHINED TO EXACT TOLERANCES\u003c\/li\u003e\n\u003cli\u003eWEIGHTS ARE HEAT TREATED AND COATED WITH HIGH-TECH POLYMERS TO ENSURE SMOOTH EVEN ADVANCE AND RETRACT MOVEMENT\u003c\/li\u003e\n\u003cli\u003eINCLUDED SPRINGS ARE HIGH QUALITY PHOSPHATE COATED SPRING WIRE THAT ALLOWS FULL ADVANCE @ 1400 RPM (SAME AS OE)\u003c\/li\u003e\n\u003cli\u003eHARDENED WASHERS ON ADVANCE WEIGHT PIVOTS TO PREVENT PREMATURE SPRING WEAR\u003c\/li\u003e\n\u003cli\u003ePRE-LUBRICATED\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cb\u003eRIVERA\u003c\/b\u003e\u003cbr\u003eMECHANICAL ADVANCE KIT\u003cbr\u003eFITS BIG TWIN 1970\/1979 \u0026amp; SPORTSTER 1971\/EARLY 1979\u003cbr\u003eALSO FITS AFTERMARKET IGNITION SYSTEM THAT REQUIRES A MECHANICAL ADVANCE UNIT","brand":"MID-USA","offers":[{"title":"Default Title","offer_id":20199433961583,"sku":"17543","price":111.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/7401\/0479\/products\/0074408_0_ef2415b7-507d-4ced-a5bf-d07a149fe51e.jpg?v=1575385672","url":"https:\/\/www.widowmakersboneyard.com\/products\/17543-performance-mechanical-advance-kit-for-big-twin-sportster","provider":"Widowmaker's Boneyard","version":"1.0","type":"link"}