Isky Racing Cams 295-D Tool Room Gold Stripe Racing Valve Springs Single with Damper

The Isky Racing Cams 295-D Tool Room Gold Stripe Racing Valve Springs are engineered for high-compression racing engines that demand maximum durability and performance at sustained high RPM operation. These precision-manufactured valve springs are part of Isky's legendary 9900 Series Tool Room lineup, featuring the distinctive gold stripe certification that signifies they've passed the industry's most rigorous endurance testing standard.

Key Features:

• Single valve spring with internal damper design for superior harmonic vibration control
• Manufactured from premium chrome silicon wire for maximum fatigue resistance
• 1.260 inch outer diameter, 0.886 inch inner diameter
• 360 lbs/inch spring rate delivers consistent performance
• 135 lbs seat pressure at 1.775 inches installed height
• 350 lbs open pressure at 1.175 inches
• 1.100 inch coil bind height, 0.600 inch maximum lift rating
• Endurance tested over 1,000 miles at up to 9,000 RPM using Spintron testing
• Gold Stripe certification guarantees zero breakage and minimal load loss

Every batch of these Tool Room springs undergoes Isky's exclusive Spintron-Test II protocol, where two complete sets must survive over 1,000 racing miles at sustained high RPM with zero failures. This pass-or-fail benchmark ensures race-ready reliability straight from the box. Sold as a set of 16 springs. Ideal for 9:1 compression and all-out high-compression oval track, drag racing, and road racing applications.