Manley Severe Duty Exhaust Valve - 1.600 in Head - 0.342 in Valve Stem - 5.465 in Long - Small Block Chevy H778001XL The Hybrid direct fit bolt-on

The Hybrid direct fit bolt-on range covers a huge list of popular vehicles

Carb recommendations: Edelbrock AVS2 or Performer Series 500-650cfm

10 AN Female Ports

V-Band T-Bolt

Usually provides 1600 to 1800 Stall behind Small Blocks and 1800 to 2000 Stall behind Big Blocks

Manley Severe Duty Exhaust Valve - 1.600 in Head - 0.342 in Valve Stem - 5.465 in Long - Small Block Chevy H778001XL The Hybrid direct fit bolt-onProduct Description: Exhaust Valve Severe Duty 1. 600 in Head 0. 342 in Valve Stem 5. 465 in Long Stainless Small 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