Ferrea Dual Chrome Silicon Valve Spring for Toyota Supra 2jzge and 2jzgte engine.
Material: Chrome Silicon
Type: Racing
Outside Diameter: 20.8 mm/28.0 mm
Inside Diameter: 16.51 mm/20.8 mm
Seat Pressure: 65 lbs @ 35 mm
Open Pressure: 185 lbs @ 25 mm
Rate Inch: 305 lbs
Coil Bind: 20 mm
Max Net Lift: 14 mm
This Spring requires Ferrea Titanium Retainer # E11011 and BOTH, Ferrea Spring Seat Locator # SL1001 and Factory supplied Spring Seat Locator