1990 Nissan Pulsar GTI-R Dual Valve Spring Kit by Supertech
Supertech Spring / Retainer kits are precision matched sets for a complete valvetrain overhaul. Developed for the performance enthusiast that wants the best the industry has to offer, Supertech Spring / Retainer kits are second to none in terms of performance, quality and value.
Features
- Seat Pressure: 75 @ 38.5
- Open Pressure: 190 @ 10
- Max Lift: 17**(12mm)
- Coil Bind: 20.70mm
- InnSpr.ID: 15.50mm
- Rate: 11.50mm
- Kit spring: SPR-H1005D
- Retainer: RET-NSR20/T1
- InnSpr.OD: 20.50mm
- OutSpr.OD: 29.65mm
- OutSpr.ID: 21.85mm
Benefits
- Underwent a gas nitriding process before shot peening for improved fatigue life
