{"product_id":"kibblewhite-rocker-shim-conversion-dual-valve-spring-kit-1","title":"Rocker Shim Conversion Dual Valve Spring Kit","description":"\u003cp\u003eValve Spring Kit - Rocker Shim Conversion - Dual Springs - Titanium Retainers - M8\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for maximum performance\u003c\/li\u003e\n\u003cli\u003eFeatures interference-wound, double-chrome silicone springs; heat-treated steel base washers\u003c\/li\u003e\n\u003cli\u003eAll spring kits should be used together\u003c\/li\u003e\n\u003cli\u003eAvailable in a complete set for one engine\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eModification necessary to maximize shim contact, KPMI recommends \"tipping\" (shortening the valve tip).\u003c\/li\u003e\n\u003cli\u003eThere is anticipated to be a rough 0.100\" increase in effective stem protrusion with the use of the shim.\u003c\/li\u003e\n\u003cli\u003eThis system must be run with KPMI's newer style M8 valve guides, which are shortened for 0.675\" valve lift.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KIBBLEWHITE","offers":[{"title":"Default Title","offer_id":53131409228143,"sku":"0926-3416","price":661.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/0323\/6463\/files\/66123549-9935-4829-AC8A-0C32C2854CC6.png?v=1781906609","url":"https:\/\/factory47.com\/products\/kibblewhite-rocker-shim-conversion-dual-valve-spring-kit-1","provider":"Factory 47","version":"1.0","type":"link"}