{"product_id":"kpmi-racing-valve-spring-kit-for-yamaha-80-82300","title":"KPMI Racing Valve Spring Kit for Yamaha, 80-82300","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 kits are wound from premium Kobe Super-Clean chrome silicon wire and engineered for demanding high-performance applications. Each spring is heat-treated, stress-relieved, and shot-peened to support performance and service life.\u003c\/p\u003e\u003cp\u003eKPMI engineers design each application using proprietary spring design simulation and analysis software, with attention to cam and spring harmonics, stress, mass, and operating RPM. The kit delivers 80 pounds of seat pressure and 205 pounds at 0.435-inch maximum lift.\u003c\/p\u003e\u003cp\u003eThe KPMI spring kit is designed for compatibility with the OEM integrated seal\/base, OE number 3610212, where applicable. Its lightweight, heat-treated steel retainer and beehive spring help reduce reciprocating mass while providing the spring forces required by high-performance boosted racing applications.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSeat Pressure: 80 pounds of seat pressure and 205 pounds at 0.435-inch maximum lift\u003c\/li\u003e\n\u003cli\u003eConstruction: Wound from premium Kobe Super-Clean chrome silicon wire\u003c\/li\u003e\n\u003cli\u003eTreatment: Heat-treated, stress-relieved, and shot-peened for performance and service life\u003c\/li\u003e\n\u003cli\u003eCompatibility: Designed for compatibility with the OEM integrated seal\/base, OE number 3610212, where applicable\u003c\/li\u003e\n\u003cli\u003eRetainer and Spring Design: Lightweight heat-treated steel retainer and beehive spring reduce reciprocating mass\u003c\/li\u003e\n\u003cli\u003eApplication Engineering: Designed with attention to cam and spring harmonics, stress, mass, and operating RPM\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":68134551486649,"sku":"191-24012","price":292.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.thespeedshopusa.com\/fr\/products\/kpmi-racing-valve-spring-kit-for-yamaha-80-82300","provider":"THE SPEED SHOP USA","version":"1.0","type":"link"}