Chevy BBC 454 6.385" 4.330" Bore 1.270" .990" Dome Top Forged Pistons Add a cool new look

Add a cool new look to your ride and lower your curb weight with Speedmaster control arms

While the GM 8

Speedmaster small block 427 c

These drives fit under your stock timing cover and come complete with instructions

Speedmaster serpentine belts are designed to keep your accessory drive operating properly

Chevy BBC 454 6.385" 4.330" Bore 1.270" .990" Dome Top Forged Pistons Add a cool new lookSpeedmaster 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.