Supertech Dual Valve Spring and Titanium Retainer Kit for Toyota GR Supra B58B 24v Turbocharged Engines
Supertech Dual Valve Spring and Titanium Retainer Kit for Toyota GR Supra B58B 24v Turbocharged Engines

Supertech Dual Valve Spring and Titanium Retainer Kit for Toyota GR Supra B58B 24v Turbocharged Engines

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Dual Valve Spring and Titanium Retainer Kit for Toyota GR Supra B58B 24v Turbocharged Engines

Set of 24 Dual Valve Springs & 24 Titanium Retainers

SPRK-B58B

Type: Dual Spring
Outer Spring: OD 24.40mm - ID 17.60mm
Inner Spring: OD 21.00mm - ID 14.20mm
Press.Seat: 75lbs @ 37.00mm
Max Lift: 12.20mm
Coil Bind: 23.20mm
Rate: 8.00mm
Retainer: RET-BMB48/TI - RET-BMB48/TE
Spring: SPR-FE20BE

SPRK-B58B-2

Type: Dual Spring
Outer Spring: OD 24.40mm - ID 17.60mm
Inner Spring: OD 21.00mm - ID 14.20mm
Press.Seat: 84lbs @ 37.00mm
Max Lift: 12.20mm
Coil Bind: 23.20mm
Rate: 7.25mm
Retainer: RET-BMB48/TI - RET-BMB48/TE
Spring: SPR-FE20BE-2

Our 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 & durability at high rpms. Using high quality steel alloy also provides the added benefit of better structural memory for all of our springs, giving your performance racing engine a serious competitive advantage.

Supertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit. Our high quality retainers are among the best in the industry.