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Clears rear cowl/firewall issues
Depending on the Stage you select
hardened collets
Weight is the enemy of RPM
precision honed
Atomic Barra Valve Springs Valve spring grade:Stage 1 | 80-90lbs | 20psi max Clears rear cowl/firewall issuesAtomic Matched Valve Springs Ovate Wire Technology* Precision Matched Sets WHY UPGRADE TO ATOMIC SPRINGS!? Factory valve springs are designed for standard RPM and low boost. As you increase power, valve float becomes the enemy. But simply installing "stiffer" springs isn't enoughif those springs vary in pressure, they create uneven harmonics that can destroy your engine. DID YOU KNOW? Unequal spring pressure kills timing systems. Just like mismatched
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