Pay in 4 interest-free payments of $37.16 Learn more
Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
acceleration is more responsive
When roller rocker arms are installed
6" axle uses a slightly larger 8
but with several important modifications
High performance fuel injectors
Chevy 400 427 Ford 351W Windsor 4.165" 1.015" Dished -16cc Forged Pistons acceleration is more responsiveSpeedmaster Forged pistons are made from 4032 aluminum alloy for quieter operation and reduced piston to wall clearance. Up to 20% lighter than traditional forged pistons that eliminate harmful stress concentrations for superior strength. Specifically designed for naturally aspirated or moderate nitrous applications.
US$ 49.95
US$ 11.99
US$ 35.99
US$ 14.99
