Ferrea Valve Spring - AC/HO HI PRES 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 Application |
| O.D. | 22.85mm
30.45mm |
| I.D. | 17.5mm
22.85mm |
| Seat Press. | 110 lb
@ 34mm |
| Open Press. | 260 lb
@ 21mm |
| Rate Inch | 292 lbs |
| Coil Bind | 20 mm |
| Max Net Lift | 13 mm |
Note:
- This Spring requires Ferrea Titanium Retainer # E11000 and Ferrea Spring Seat Locator # SL1044
- (Discard OEM Spring Seat Locator) This Spring requires Ferrea Roller Rocket # RR1000
This product was added to our catalog on Friday 06 July, 2012.