Manley Severe Duty Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.522 in Long - Big Block Chevy 11845-1 729005 For use with High Energy

For use with High Energy Ignition systems and suppresses RFI (Radio Frequency Inteference)

in 4' lengthsVibrant Performance was established in 1997 to design and produce Exhaust and Induction components for the Sport Compact performance market

Eliminates engine run-on when the master disconnect is turned off

and high RPM use

Heat flux test shows 36% reduction of temperature

Manley Severe Duty Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.522 in Long - Big Block Chevy 11845-1 729005 For use with High EnergyProduct Description: Exhaust Valve Severe Duty 1. 880 in Head 0. 342 in Valve Stem 5. 522 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