This spring will last 2 to 3 times longer and give you 10 additional pounds of seat & 25 more pounds open pressure. They look and install exactly like the springs for the GM Crate engines. Look-A-Like replacement valve spring for the ‘602 Crate Motor. Same installed height as the stock spring. While the stock springs last a few hundred laps, they will last a couple thousand laps.
Direct Drop-In replacement for the problematic stock spring. No shimming needed.
They are Cryogenic treated for extra-long life.
Especially Designed Coil Material with our “Variable Rate” that allows More RPM Capability and Much Better Endurance (i.e. All Season Long).
Crate Engine 602
Free Height: 2.021"
Installed Height: 1.70"
Lbs @ Installed Height (+/- 4 lbs) 91, lbs
Open Pressure (+/- 8 lbs) 215 lbs,
Direct Drop-In replacement for the problematic stock spring. No shimming needed.
Recommended Retainers and Keepers also available.
