Chevy BBC 454 6.385" 4.280" Bore 1.270" .990" Dome Top Forged Pistons All that is required to

All that is required to install one of these distributors is to hook up two wires and you are Ready-to-Run

These Speedmaster aluminum crankshaft pulleys help to increase horsepower by reducing accessory drag

Speedmaster TDS lightweight spools give you the traction you need by locking the axle shafts together

and 3-piece oil rings with stainless steel expanders that provide accurate tension

more stable valvetrain operation

Chevy BBC 454 6.385" 4.280" Bore 1.270" .990" Dome Top Forged Pistons All that is required toSpeedmaster Forged pistons are made from 4032 aluminum alloy for quieter operation and reduced piston to wall clearance. Up to 20% lighter than traditional forged pistons that eliminate harmful stress concentrations for superior strength. Specifically designed for naturally aspirated or moderate nitrous applications.