Patriot Seal-4-Good Header Gasket - 1.875 in Round Port - Multi-Layered Aluminum - Big Block Chevy (Pair) NITRO-BUDS-M Has externally accessible pressure relief

Has externally accessible pressure relief valve (max 14 psi)

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

MSD 6-Hemi Harness 88864 Direct Plug-In For Crate Engine/EFI OE Applications - 06-07 Hemi Engines

Meets All EPA 49-State Requirements

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

Patriot Seal-4-Good Header Gasket - 1.875 in Round Port - Multi-Layered Aluminum - Big Block Chevy (Pair) NITRO-BUDS-M Has externally accessible pressure reliefProduct 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