Supertech Dual Valve Spring and Titanium Retainer Kit for Toyota Supra 2JZGE & 2JZGTE 24v Turbocharged Engines

Dual Valve Spring and Titanium Retainer Kit for Toyota Supra 2JZGE & 2JZGTE 24v Turbocharged EnginesSet of 24 Dual Valve Springs, 24 Titanium Retainers & SeatsSPRK-TS1012Type: Dual SpringOuter Spring: OD 27.50mm - ID 20.00mmInner Spring: OD 20.00mm - ID 15.20mmPress.Seat: 80lbs @ 33.60mmMax Lift: 13.60mmCoil Bind: 20.00mmRate: 9.60mmRetainer: RET-TS60/T1Spring: SPR-TS1012Seat: SEAT-TS1015/2SPRK-TS1015Type: Dual SpringOuter Spring: OD 27.50mm - ID 20.00mmInner Spring: OD 20.00mm - ID 15.20mmPress.Seat: 91lbs @ 33.60mmMax Lift: 12.90mmCoil Bind: 20.70mmRate: 12.10mmRetainer: RET-TS60/T1Spring: SPR-TS1015Seat: SEAT-TS1015/2Our valve springs are computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue. We also utilize computer software that allows us to ensure that the harmonics are under control. All Supertech valve springs are made with premium super clean Chrome Silicon Vanadium Steel alloy for higher performance