Dual Valve Springs for Nissan Pulsar GTi-R RNN14 SR20DET 16v 2.0L Turbocharged Engines
Set of 16 Dual Valve Springs
SPR-H1005D/GTIR
Type: Dual Spring
Outer Spring: OD 29.65mm - ID 21.85mm
Inner Spring: OD 20.50mm - ID 15.50mm
Press.Seat: 75lbs @ 38.6mm
Max Lift: 17mm
Coil Bind: 20.70mm
Rate: 11.50mm
** Retainer will contact the valve guide at 12mm of lift
Note: These Dual Valve Springs require the use of Supertech Retainer Part # RET-NSR20/T1 - (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 16 Dual Valve Springs
SPR-H1005D/GTIR
Type: Dual Spring
Outer Spring: OD 29.65mm - ID 21.85mm
Inner Spring: OD 20.50mm - ID 15.50mm
Press.Seat: 75lbs @ 38.6mm
Max Lift: 17mm
Coil Bind: 20.70mm
Rate: 11.50mm
** Retainer will contact the valve guide at 12mm of lift
Note: These Dual Valve Springs require the use of Supertech Retainer Part # RET-NSR20/T1 - (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.