Manley Extreme Duty Exhaust Valve - 1.880 in Head - 0.372 in Valve Stem - 5.354 in Long - Big Block Chevy - Set of 8 BR20001 Rubber Lining

Rubber Lining

3 AN Male to 12 mm x 1

Fits all 2015 and newer S550 Mustangs

Blue Iridium

the Air Lift 1000

Manley Extreme Duty Exhaust Valve - 1.880 in Head - 0.372 in Valve Stem - 5.354 in Long - Big Block Chevy - Set of 8 BR20001 Rubber LiningProduct Description: Exhaust Valve Extreme Duty 1. 880 in Head 0. 372 in Valve Stem 5. 354 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