{"product_id":"kpmi-racing-valve-spring-kit-80-81400","title":"KPMI Racing Valve Spring Kit 80-81400","description":"KPMI® valve springs are wound 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.\n\u003cp\u003eKPMI Racing Valve Spring Kit 80-81400 is engineered for high-performance boosted racing applications. KPMI valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire and are heat-treated, stress relieved, and shot peened to support performance and service life.\u003c\/p\u003e\u003cp\u003eEach spring is developed for its specific application using proprietary spring design simulation and analysis software. KPMI engineers evaluate cam and spring harmonics, stress, mass, and operating rpm to help deliver the required spring performance.\u003c\/p\u003e\u003cp\u003eThe kit includes lightweight heat-treated steel retainers and beehive springs designed to reduce reciprocating mass while providing the spring forces required for demanding racing use. The spring kit is designed for compatibility with the OEM integrated seal\/base, OE# 3610212, where applicable.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSeat Pressure: 80 lbs\u003c\/li\u003e\n\u003cli\u003eMaximum Lift Pressure: 205 lbs at 0.435 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: Premium Kobe Super-Clean Chrome Silicon Wire\u003c\/li\u003e\n\u003cli\u003eSpring Design: Application-specific engineering using proprietary spring simulation and analysis software\u003c\/li\u003e\n\u003cli\u003eTreatment: Heat-treated, stress relieved, and shot peened\u003c\/li\u003e\n\u003cli\u003eRetainers and Springs: Lightweight heat-treated steel retainers and beehive springs\u003c\/li\u003e\n\u003cli\u003eCompatibility: Designed for the OEM integrated seal\/base, OE# 3610212, where applicable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"KPMI","offers":[{"title":"Default Title","offer_id":68134553256121,"sku":"191-24011","price":292.95,"currency_code":"USD","in_stock":false}],"url":"https:\/\/www.thespeedshopusa.com\/fr\/products\/kpmi-racing-valve-spring-kit-80-81400","provider":"THE SPEED SHOP USA","version":"1.0","type":"link"}