Endurance Tested To Last!
Isky Racing Cams Tool Room Racing Valve Springs are designed for extreme endurance racing applications. The engineering process of Tool Room valve springs includes a zero-failure tolerance, 1,000-mile endurance test to ensure that these valve springs can withstand any racing environment.
The optional RAD 9000 Series Tool Room valve springs feature the patented Radial-Densification manufacturing process to ensure that these springs can run at 9,000 RPMs for the entirety of Isky's zero-failure tolerance, 1,000-mile endurance test!
- Perfect springs for long endurance races
- RAD 9000 option for running endurance races at high RPMs
- Tested to 1,000 miles continuous use without failure