Patriot Seal-4-Good Header Gasket - 1.5 in Square Port - Multi-Layered Aluminum - Small Block Chevy (Pair) H76903FXXL 2007 GMC Sierra 3500 Classic

2007 GMC Sierra 3500 Classic CID 403 CC 6599 6

- 18 Spline X 1 3/16 in

Features:Designed to fit low in the block to clear firewall and intake combinationsSupplied with bronze gearSupplied with large diameter HEI style distributor cap and rotorMust be used with an MSD Crank Trigger and MSD Ignition ControlO-ring seals can be added to modified blocks to improve oil pressure controlSpecial oil tract improves lubrication to the distributor and cam gearShaft is guided by a sealed ball bearing and an extra long sintered bushingOversized polished steel shaft with a QPQ coating for friction reductionCNC machined billet aluminum housing and Dupont Rynite base

Holley Dominator Carburetors

Patriot Seal-4-Good Header Gasket - 1.5 in Square Port - Multi-Layered Aluminum - Small Block Chevy (Pair) H76903FXXL 2007 GMC Sierra 3500 ClassicProduct Description: Exhaust Header Manifold Gasket Seal 4 Good 1. 500 in Square Port Multi Layered Aluminum Small 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