Ferrea Valve Spring - HO/INT/CRV20.8-28
Our Ferrea Valve Springs are processed with premium-grade alloy and feature special thermal treatment. Our advanced spring design and material specifications has uniform load & stress distribution even in most extreme racing environment.
- Our beehive design spring offers additional durability in all high revving street performance and mid-race applications at an affordable price.
- The dual spring technology enables you to use in high lift camshafts and extreme high RPM.
| Type/Material/Application | DualChromeSilicon |
| O.D. | 20.8mm
28.0mm |
| I.D. | 16.51mm
20.8mm |
| SeatPress. | 60lbs
@36.5mm |
| OpenPress. | 160lbs
@26.5mm |
| RateInch | 254lbs |
| CoilBind | 20mm |
| MaxNetLift | 14mm |
Note:
- This Spring requires Ferrea Titanium Retainer # E11023.
- Use (FOR EXHAUST APPLICATION ONLY) Ferrea Spring Seat Locator #SL1017
- FOR INTAKE APPLICATION use Factory supplied Seat Locator.
This product was added to our catalog on Friday 06 July, 2012.