Intake Gasket - BBC .060 2017-chevrolet-silverado-1500-esi2322032 Transmission Crossmember - Bolt-On -

Transmission Crossmember - Bolt-On - Steel - Black Powder Coat - 4L60E / 4L85E - GM A-Body 1968-72 - Each

Rivet - 3/8 in Head - 3/16 in Steel Mandrel - 3/8-1/2 in Grip Range - Aluminum - Natural - Set of 250

055 in Compressed Thickness - Multi-Layer Steel - GM LT1/LT4 - Each

Every BBK Performance H pipe is designed as a direct replacement for the factory pipe and features larger diameter 16 gauge 2-1/2" CNC mandrel bent aluminized steel tubing (with H crossover) and high flow catalytic converters to help increase exhaust flow and maximize performance to the rear wheels

Flywheel - 153 Tooth - 30

Intake Gasket - BBC .060 2017-chevrolet-silverado-1500-esi2322032 Transmission Crossmember - Bolt-On -Intake Manifold Gasket 0. 06 in Thick 1. 85 x 2. 45 in Oval Port Composite Big Block Chevy Pair