LS1 Dual valve spring kit for all 1997 to 2004 LS1 engines. The spring is designed to handle up to .650” lift in the most extreme performance applications. Kit includes dual springs, valve seals, titanium retainers, and spring seats. No machining required.
|
26921 - DualSpring |
| O.D.: |
1.300 |
| I.D.: |
0.655 |
| Seat Load: |
135@ 1.770 |
| Open Load: |
400 @ 1.220 |
| Coil Bind: |
1.040 |
| Rate(lbs./in.): |
408 |
| TitaniumRetainer: |
754 |
| SteelRetainer: |
N/A |
| Cup/Seat: |
4695 |
| Shims: |
4753 | |