Manley Extreme Duty Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.422 in Long - Big Block Chevy 110013 Features:2 RPM AdjustmentsActivate a circuitDeactivate

Features:2 RPM AdjustmentsActivate a circuitDeactivate a circuit

when using SCP pump you must also use #SWE301-30058

Each handle is engraved with the wrench size for easy identification

An integrated Pump Ground circuit is included in the harness which simplifies the wiring process and eliminates any chance of the pump accidentally activating from a short in the system

Pit Stop USA offers Five Star Avex Rivets - Large Head - 3/16" - Black - (500 Pack) 814W-500L at low everyday prices

Manley Extreme Duty Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.422 in Long - Big Block Chevy 110013 Features:2 RPM AdjustmentsActivate a circuitDeactivateProduct Description: Exhaust Valve Extreme Duty 1. 880 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