Comp Cams Spring I.D. Locators Superwide-Mirrors The Alpinestars Atom Driver Race

The Alpinestars Atom Driver Race Suit is a strong choice for drivers looking for a comfortable

Exhaust sound characteristics such as volume and tone are subjective

document the failure and reach out with photos and purchase proof for next steps

Contoured shell for secure seating during spirited driving

Comp Cams Spring I.D. Locators Superwide-Mirrors The Alpinestars Atom Driver RaceSpring I. D. Locators: . 100" Thick, . 535" I. D., 1. 565" O. D. The old standard shims will not hold up to the extreme spring pressures and high RPM in today's race engines. COMP Cams offers a simple but effective solution to this problem. These Valve Spring Locators provide a thin, hardened steel alloy seat that will not only protect the head and shim, but also locate and hold the spring in place. Previously, this part has been available only in a