VR Forged Cat 2021
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KPMI Racing Valve Spring Kit 82-83000



Model #82-83000

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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.


  • 80 Lbs of Seat Pressure / 205 Lbs at 0.435" Lift (Max)
  • Spring kit is designed for compatibility with the OEM integrated Seal/Base (OE# 3610212) where applicable
  • Lightweight heat treated Steel Retainer and Beehive Spring reduce reciprocating mass while providing the spring forces required by high performance boosted racing applications.

Other Part Numbers:
KPMI #191-28026

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