{"product_id":"kpmi-racing-valve-spring-kit-625-lift-titanium-retainers-mpn-20-21800","title":"KPMI Racing Valve Spring Kit .625 Lift Titanium Retainers [MPN: 20-21800]","description":"\u003cdiv class=\"wrap-collapsibleMM\"\u003e\n\u003cinput id=\"collapsibleDescriptionMM6b454e4b\" class=\"collapsibleDescriptionMM toggleMM\" type=\"checkbox\"\u003e\u003clabel for=\"collapsibleDescriptionMM6b454e4b\" class=\"lbl-toggleMM\"\u003eProduct Description\u003c\/label\u003e\u003cdiv class=\"collapsible-contentMM\"\u003e\u003cdiv class=\"content-innerMM\"\u003e\n\u003cp\u003eWound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and shot peened to insure maximum performance and life. Springs are engineered for each specific application using proprietary advanced spring design simulation, and analysis software. Engineers pay special attention to cam and spring harmonics, stress, mass and operating rpm.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProgressively wound springs using Kobe super-clean, chrome silicon-based wire that is heat treated and shot peened\u003c\/li\u003e\n\u003cli\u003eTight-tolerance, FEA-designed hardened steel Posi-Loc™ style upper retainers to ensure correct assembly height and resist keeper \"pull through\"\u003c\/li\u003e\n\u003cli\u003eHardened steel basewashers control lateral movement\u003c\/li\u003e\n\u003cli\u003eKits use OEM-style valve keys (sold separately)\u003c\/li\u003e\n\u003cli\u003eMade in the U.S.A.\u003c\/li\u003e\n\u003cli\u003eTitanium steel valve retainers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KPMI","offers":[{"title":"Default Title","offer_id":47232569966779,"sku":"CCP-0926-3276","price":396.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/5230\/6875\/files\/816338_0_1.jpg?v=1764611306","url":"https:\/\/motomentum.com\/products\/kpmi-racing-valve-spring-kit-625-lift-titanium-retainers-mpn-20-21800","provider":"Motomentum","version":"1.0","type":"link"}