{"product_id":"kibblewhite-rocker-shim-conversion-dual-valve-spring-kit","title":"Rocker Shim Conversion Dual Valve Spring Kit","description":"\u003cp\u003eValve Spring Kit - Rocker Shim Conversion - Dual Springs - H.T. Steel 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":53131330257263,"sku":"0926-3417","price":546.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/0323\/6463\/files\/D7D882A0-D15E-427E-AB69-D93E19C0E586.png?v=1781905086","url":"https:\/\/factory47.com\/products\/kibblewhite-rocker-shim-conversion-dual-valve-spring-kit","provider":"Factory 47","version":"1.0","type":"link"}