Chevy BBC 454 6.385" 4.310" Bore 1.270" .990" Dome Top Forged Pistons These Speedmaster fuel pumps feature

These Speedmaster fuel pumps feature an improved design for street and strip applications

Speedmaster universal power steering pump brackets mount GM self-contained power steering pumps low on the block for a compact installation and good looks

then highly polished and chrome plated for lasting beauty

and excessive emissions

and cable--no modifications are required for installation

Chevy BBC 454 6.385" 4.310" Bore 1.270" .990" Dome Top Forged Pistons These Speedmaster fuel pumps featureSpeedmaster 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.