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 |
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