Patriot Seal-4-Good Header Gasket - 1.875 in Round Port - Multi-Layered Aluminum - Big Block Chevy (Pair) NITRO-BUDS-M base manifold is CNC port

base manifold is CNC port matched to upper manifold for maximum power

*** Some modifications will be required when being fitted to "X" body and Chevelle models

has the capability of active digital noise cancelling

Great for Super Modifieds

- Allows fuel economy for cars fitted with automatic gearboxes by reducing friction

Patriot Seal-4-Good Header Gasket - 1.875 in Round Port - Multi-Layered Aluminum - Big Block Chevy (Pair) NITRO-BUDS-M base manifold is CNC portProduct Description: Exhaust Header Manifold Gasket Seal 4 Good 1. 875 in Round Port Multi Layered Aluminum Big Block Chevy Pair Patriot Exhaust products continue to offer the best value for the dollar of any brand in the industry. If you need components to build your own header and exhaust system Patriot Exhaust is the place to come! Mild steel, 304 stainless steel and aluminized bends are available in 1 1 4 to 4 diameters with a multitude of radius