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The KPMI Racing Valve Spring Kit is engineered for high-performance boosted racing applications. KPMI valve springs are wound from premium Kobe Super-Clean chrome silicon wire, then heat-treated, stress-relieved, and shot-peened to support performance and service life.
KPMI engineers each spring for its specific application using advanced spring design simulation and analysis software. Design considerations include cam and spring harmonics, stress, mass, and operating RPM. The kit includes a lightweight heat-treated steel retainer and beehive spring designed to reduce reciprocating mass while providing the spring forces required for demanding applications.
The KPMI Racing Valve Spring Kit delivers 80 pounds of seat pressure and 205 pounds at 0.435-inch maximum lift. Where applicable, the spring kit is designed for compatibility with the OEM integrated seal/base, OE number 3610212.
Features:
- Seat Pressure: 80 pounds of seat pressure and 205 pounds at 0.435-inch maximum lift
- Spring Material: Wound from premium Kobe Super-Clean chrome silicon wire
- Spring Treatment: Heat-treated, stress-relieved, and shot-peened for performance and service life
- Application Engineering: Designed using advanced spring simulation and analysis software with attention to cam and spring harmonics, stress, mass, and operating RPM
- Retainer and Spring Design: Lightweight heat-treated steel retainer and beehive spring help reduce reciprocating mass
- OEM Compatibility: Designed for compatibility with the OEM integrated seal/base, OE number 3610212, where applicable

