1989-1993 Nissan 180SX Dual Valve Spring Kit - Set of 16 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: 73 @ 35
- Open Pressure: 175 @ 10
- Max Lift: 15.00mm
- Coil Bind: 20.00mm
- Rate: 10.2
- Kit spring: SPR-TS1012
- Kit spring qty: 16
- Retainer: RET-NVG1015/T1
- Retainer qty: 16
- Seat Locator: SEAT-1015/2
- InnSpr.ID: 15.20mm
- InnSpr.OD: 20.00mm
- OutSpr.ID: 20.00mm
- OutSpr.OD: 27.50mm
- Seat Locator qty: 16
Benefits
- Underwent a gas nitriding process before shot peening for improved fatigue life
