Chevy BBC 454 6.385" 4.250" Bore 1.270" .990" Dome Top Forged Pistons The successful formula of offering

The successful formula of offering a complete engine drive accessory kit has now been applied to the Serpentine with Speedmaster pulley systems

Every Speedmaster flexplate is 29

Speedmaster connecting rod bolts are precision CNC-machined to exacting specifications and designed for optimum reliability

Speedmaster Pro-Billet Ready-to-Run distributors are the perfect upgrade for weak OE electronic distributors

These brackets are made from heavy gauge steel to prevent flex

Chevy BBC 454 6.385" 4.250" Bore 1.270" .990" Dome Top Forged Pistons The successful formula of offeringSpeedmaster 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.