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KPMI 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.
KPMI 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.
The 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.
Features:
- Seat Pressure: 80 pounds of seat pressure and 205 pounds at 0.435-inch maximum lift
- Construction: Wound from premium Kobe Super-Clean chrome silicon wire
- Treatment: Heat-treated, stress-relieved, and shot-peened for performance and service life
- Compatibility: Designed for compatibility with the OEM integrated seal/base, OE number 3610212, where applicable
- Retainer and Spring Design: Lightweight heat-treated steel retainer and beehive spring reduce reciprocating mass
- Application Engineering: Designed with attention to cam and spring harmonics, stress, mass, and operating RPM

