Ferrea Valve Spring - DWD 1550 165/465
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 w/Damper Special Alloy Roller |
| O.D. | 1.040
1.560 |
| I.D. | .740
1.145 |
| Seat Press. | 245 lbs
@1.970” |
| Open Press. | 585 lbs
@1.290” |
| Rate Inch | 480 lbs |
| Coil Bind | 1.190” |
| Max Net Lift | .680” |
This product was added to our catalog on Monday 09 July, 2012.