Remflex 1.440 x 1.938" Rectangular Port Header Gasket Graphite Oldsmobile V8 - Pair EFI Engine Lift Plate 4-3/4 in 12-Bolt Fill Tube

4-3/4 in 12-Bolt Fill Tube Bolt Circle

BBK EXHAUST IS BUILT WITH CNC MANDREL BENT TUBING FOR 35% INCREASED FLOW OVER STOCK TO ADD 10-15 HORESPOWER AND IMPROVE TORQUE AND PERFORMANCE

They work great for custom projects

GM Gen 4 396/402/427/454 Big Block

Remflex 1.440 x 1.938" Rectangular Port Header Gasket Graphite Oldsmobile V8 - Pair EFI Engine Lift Plate 4-3/4 in 12-Bolt Fill TubeProduct Description: Exhaust Header Manifold Gasket 1. 440 x 1. 938 in Rectangular Port Graphite Oldsmobile V8 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, week