Subaru EJ20/EJ25 Dual Valve Spring by Supertech
Supertech Spring 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: 100 @ 33.8
- Open Pressure: 273 @ 11.5
- Max Lift: 13.50mm
- Coil Bind: 20.70mm
- InnSpr.ID: 14.20mm
- InnSpr.OD: 20.00mm
- OutSpr.ID: 20.00mm
- Rate: 14.9
Benefits
- Long durability under extreme conditions
