Dual Valve Spring - Single by Ferrea
Our technology allows us to provide the highest level of performance and reliability for our customers. Our association with many of the industry's leading head manufactures has given us the opportunity to implement these race proven high quality designs for all categories of racing.
Ferrea valve springs are developed from high strength alloys, including premium grade chrome silicon steel. Our springs are heat-treated and stress relieved, which dramatically increases the spring's life. Our valve springs provide the stability needed for high lift, high rpm racing engines, while minimizing the load loss for today's aggressive valvetrain combinations.
Please Note: Picture are for representation only. Actual product may vary.
Features
- (S42/M42/M50/S50/M52/M54)
- Type/Material/Application: Dual Spring - Turbo - Special Alloy
- Outside Diameter: 22.75 mm/29.5 mm
- Inside Diameter: 17.1 mm/22.75 mm
- Seat Pressure: 80 lbs @ 36mm
- Open Pressure: 180 lbs @ 26 mm
- Rate Inch: 254 lbs
- Coil Bind: 21 mm
- Max Net Lift: 14 mm
- This Spring requires Ferrea Titanium Retainer #E11025 and Ferrea Spring Seat Locator #SL1021 (Discard OEM Spring Seat Locator).
Benefits
- Heat-treated and stress relieved, which dramatically increases the spring's life
- Provide the stability needed for high lift
- High rpm racing engines, while minimizing the load loss for today€™s aggressive valvetrain combinations.
