Manley Severe Duty Exhaust Valve - 1.900 in Head - 0.342 in Valve Stem - 5.422 in Long - Big Block Chevy XP1-696-G1-HK From state-of-the-art helmets to top-of-the-line

From state-of-the-art helmets to top-of-the-line racing suits and safety harnesses

and personal watercraft

These systems include double adjustable full coil-over shocks so you can have ride height adjustability and change the valving to meet your specific needs

These spacers were designed to insulate and reduce heat flow to the carburetor keeping it cooler to allow a denser fuel mixture to enter the engine and produce more horsepower

The side panels feature knit stretch panels for flexibility in the torso and the 180 ° floating arm gussets increase flexibility in the arms

Manley Severe Duty Exhaust Valve - 1.900 in Head - 0.342 in Valve Stem - 5.422 in Long - Big Block Chevy XP1-696-G1-HK From state-of-the-art helmets to top-of-the-lineProduct Description: Exhaust Valve Severe Duty 1. 900 in Head 0. 342 in Valve Stem 5. 422 in Long Stainless Big Block Chevy Sold Individually Manley Performance high performance and racing engine parts have been powering winners since 1966. Since our inception in March 1966, Manley Performance Products has been at the forefront of the high performance automotive industry. Founded by gearhead Hank Manley shortly after his graduation from Brown