Chevy BBC 454 6.385" 4.530" Bore 1.270" .990" Dome Top Forged Pistons Step up to the high-rpm

Step up to the high-rpm power of an open plenum with Speedmaster HiRise intake manifolds

or custom altered parts

and quality components are combined into a precision-machined compact package

The oil pan helps to cool the oil thru its contact with the outside air

Complete kit with Multi-Layer Steel (MLS) Head Gaskets

Chevy BBC 454 6.385" 4.530" Bore 1.270" .990" Dome Top Forged Pistons Step up to the high-rpmSpeedmaster 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.