Isky Racing Cams Dual Valve Springs

SP Series Dual Valve Springs

The SP Series valve springs feature increased endurance over Isky standard springs, without emptying your wallet. The outer spring is a special hi-tensile chrome silicone material, providing Spinton test results of 8000 RPM for 700 racing miles.

Endurance Plus Dual Valve Springs

Endurance Plus valve springs offer the best durability and service life of any Isky dual valve spring. The outer spring is wound from a special high-strength alloy to boost spring durability even higher, making this spring the perfect choice for high-performance endurance races.

Features

• Three options available to best suit your engine's needs
• Standard springs for drop-in boosts
• SP series for economic endurance boosts