Ferrea Valve Spring-AC RSX Dual Endur Spring
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 | Dual Spring-Special Alloy Endurance Spring |
| O.D. | 22.85 mm
30.45 mm |
| I.D. | 17.5 mm
22.85 mm |
| Seat Press | 80 lbs
@40 mm |
| Open Press | 190 lbs
@30 mm |
| Rate Inch | 279 lbs |
| Coil Bind | 24 mm |
| Max Net Lift | 14 mm |
Note:
- This Spring requires Ferrea Titanium Retainer # E11066 and Ferrea Spring Seat Locator # SL1053
- (Discard OEM Spring Seat Locator).
This product was added to our catalog on Friday 29 June, 2012.