Ferrea Valve Spring-GM 2.2 Echo Tec
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 Special Alloy |
| O.D. | 20.8 mm
28 mm |
| I.D. | 16.51 mm
20.8 mm |
| Seat Press. | 75 lbs
@ 32.5 mm
110 lbs
@ 31 mm |
| Open Press. | 175 lbs
@ 22.5 mm
210 lbs
@ 21 mm |
| Rate Inch | 254 lbs |
| Coil Bind | 17.5 mm |
| Max Net Lift | 14 mm
12.5 mm |
Note:
- This Spring requires Ferrea Titanium Retainer # E11033 or Ferrea Aluminum Magnesium Retainer #E10026
- Factory supplied Spring Seat Locator
- For High Pressure use Both Ferrea Spring Seat Locator #SL1028 And Factory supplied Spring Seat Locator
- High Pressure spec.
This product was added to our catalog on Friday 06 July, 2012.