Ferrea 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 | Dual Spring - Endurance Special Alloy |
O.D. | 19.05 mm 25.30 mm |
I.D. | 13.95 mm 19.05 mm |
Seat Press. | 75 lbs @ 38.5 mm |
Open Press. | 180 lbs @ 28.5 mm |
Rate Inch | 274 lbs |
Coil Bind | 24 mm |
Max Net Lift | 13.5 mm |