2005-2015 Ford Focus 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: 70 @ 36.20
- Open Pressure: 190 @ 10
- Max Lift: 13.0mm
- Coil Bind: 20.70mm
- InnSpr.OD: 20.00mm
- InnSpr.ID: 15.20mm
- Rate: 12.1
- Kit spring: SPR-TS1015
- Retainer: RET-TS5.5/T1
- Seat Locator: SEAT-DUR2
- OutSpr.OD: 27.50mm
- OutSpr.ID: 20.00mm
Benefits
- Underwent a gas nitriding process before shot peening for improved fatigue life
