Ferrea Valve Spring-DWD 1570 250/650
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 |
| O.D. | 1.025
1.570 |
| I.D. | .740
1.135 |
| Seat Press. | 250 lbs
@ 1.900” |
| Open Press. | 650 lbs
@ 1.200” |
| Rate Inch | 600 lbs |
| Coil Bind | 1.125” |
| Max Net Lift | .660” |
This product was added to our catalog on Thursday 05 July, 2012.