Remflex Header Gaskets BBC Square Port Proportioning Valve 4L 4V Aluminum and Cast

4L 4V Aluminum and Cast Iron Block Engines

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Stainless steel accent or matte black finish---you decide

This header features 1-5/8" primary tubes and a 2-1/2" collector for increased exhaust flow for increasing performance

GM Midsize Crossover 2010-17

Remflex Header Gaskets BBC Square Port Proportioning Valve 4L 4V Aluminum and CastProduct Description: Exhaust Header Manifold Gasket 1. 812 x 1. 875 in Rectangular Port Graphite Big Block Chevy Pair Remflex gaskets are made from a unique graphite material that creates a tight seal ever time. These gaskets are available for many OE and custom applications. Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications, where temperatures routinely exceed 2,000 degrees day after day,