Manley Severe Duty Intake Valve - 2.300 in Head - 0.342 in Valve Stem - 5.344 in Long - Big Block Chevy BR20034 The methanol kits are compatible

The methanol kits are compatible with the methanol calculations provided by Computech's Weather Stations

A conical 360-degree round air filter is used for maximum filtration (99

1967-1968 GMC G15/G1500 Van

Dimensions: 4 1/4" deepNote:Will clear a mechanical fuel pump

Meets or exceeds all original equipment specifications and is validated for fit

Manley Severe Duty Intake Valve - 2.300 in Head - 0.342 in Valve Stem - 5.344 in Long - Big Block Chevy BR20034 The methanol kits are compatibleProduct Description: Intake Valve Severe Duty 2. 300 in Head 0. 342 in Valve Stem 5. 344 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