Ferrea VW Valve 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 | Single Spring Special Alloy Turbo - Endurance |
O.D. | 23.5 mm |
I.D. | 15.8 mm |
Seat Press. | 90 lbs @ 39 mm |
Open Press. | 200 lbs @ 29mm |
Rate Inch | 279 lbs |
Coil Bind | 27 mm |
Max Net Lift | 11 mm |
Note:
- This Spring requires Ferrea Titanium Retainer #E11093 and Ferrea Spring Seat Locator #SL1103
- (Discard OEM Factory supplied Spring Seat Locator)
- Max Net Lift is limited by the Factory installed height and rocker arm bottom clearance with Ferrea Titanium Retainer