Ferrea Valve Spring - Pro Toy DU20.8 28.0
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 - Turbo High Pressure PAC Alloy |
| O.D. | 20.8 mm
28.0 mm |
| I.D. | 15.88 mm
20.8 mm |
| Seat Press. | 115 lbs
@ 34 mm |
| Open Press. | 245 lbs
@ 24 mm |
| Rate Inch | 330 lbs |
| Coil Bind | 21.8 mm |
| Max Net Lift | 11 mm |
Note:
- This Spring requires Ferrea Titanium Retainer # E11037 and TWO Ferrea Spring Seat Locators: #SL1001 and #SL1060
- (Discard OEM Spring Seat Locator)
This product was added to our catalog on Friday 20 July, 2012.