Dual Valve Springs for Toyota GR Supra B58B 24v Turbocharged Engines
Set of 24 Dual Valve Springs
SPR-FE20BE
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
SPR-FE20BE-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
Note: These Dual Valve Springs require the use of Supertech Retainer Part # RET-BMB48/TI - RETBMB48/TE - (Sold Separately)
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.
Set of 24 Dual Valve Springs
SPR-FE20BE
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
SPR-FE20BE-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
Note: These Dual Valve Springs require the use of Supertech Retainer Part # RET-BMB48/TI - RETBMB48/TE - (Sold Separately)
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.