Chevy 400 427 Ford 351W Windsor 4.165" 1.015" Dished -16cc Forged Pistons short block engines are the

short block engines are the solution to a hassle-free power build

They accurately measure camshaft centerline

Speedmaster shifters designed to fit most 3 or 4-speed automatic transmissions

but with several important modifications

High performance fuel injectors

Chevy 400 427 Ford 351W Windsor 4.165" 1.015" Dished -16cc Forged Pistons short block engines are theSpeedmaster 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.