Manley Severe Duty Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.422 in Long - Big Block Chevy - Set of 8 R01P003XL Withstands 2000F radiant heat

Withstands 2000F radiant heat

Fully Opens at Correct Temperature Consistently Regardless of Engine RPM

17 in Long

Intake runner volume: 210cc

barometric pressure and other atmospheric conditions

Manley Severe Duty Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.422 in Long - Big Block Chevy - Set of 8 R01P003XL Withstands 2000F radiant heatProduct Description: Exhaust Valve Severe Duty 1. 880 in Head 0. 342 in Valve Stem 5. 422 in Long Stainless Big Block Chevy Set of 8 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 University, our