Lightweight Racing Evolution™ 1984 to 1999 Valve Spring Kit, .655" Lift


Order No. 20-20081

  • Max Lift: .655"
  • Installed Height: 1.860"
  • Seat Pressure: 185 lbs.
  • Open Pressure: 450 lbs @ .655" Lift

Springs are engineered for each application using proprietary advanced spring design, simulation and analysis software. Engineers pay special attention to cam and spring harmonics, stress, mass and operating rpm. Premium grade, super clean ground chrome silicon wire is x-rayed at regular intervals to check for inclusions, heat treated  and shot peed to ensure maximum spring life.

Kits include 4 retainers, 4 springs, 4 steel keepers and 4 steel basewashers.