Headers 604 Crate Modified 1981-checker-marathon-esi6585058 00-inch internals and a built-in

00-inch internals and a built-in resonator helping keep the interior sound down to a minimum

Fitting - Adapter - 8245 Series - 45 Degree - 10 AN Female Swivel to 10 AN Male - Aluminum - Black Anodized - Each

Paint - Dupli-Color - Engine - High Temperature - Enamel - Gloss Chevy Blue - 12 oz Aerosol - Each

250 in Bore - 7

438" 6 bolt flange and has a large 3" opening with an easy to grip screw on cap that utilizes an O-ring seal

Headers 604 Crate Modified 1981-checker-marathon-esi6585058 00-inch internals and a built-inHeaders IMCA UMP Modified 1. 625 to 1. 75 in Primary 3 in Collector Gaskets Hardware Included Steel Black Paint Small Block Chevy Pair