Chevy SBC 383 ci 6.0" 4.060" 1.125" 0.927" Flat Top Forged Pistons including stock engines

including stock engines

making it the ultimate choice for racers who demand reliability and precision

Speedmaster gaskets are designed for today's performance engines

Speedmaster aluminum timing covers are the perfect way to add strength and durability to the front of your engine

Benefit from an easy installation and gain in horsepower

Chevy SBC 383 ci 6.0" 4.060" 1.125" 0.927" Flat Top Forged Pistons including stock enginesSpeedmaster 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.