Speedmaster PCE305.1019 Fits Chevy SBC 383 Ci 6.0" 4.060" 1.100" 0.927" Flat Top Forged Pistons

Speedmaster 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.

• Made from 4032 aluminum alloy for quieter operation and reduced piston to wall clearance
• 20% lighter than traditional forged pistons that eliminate harmful stress concentrations for superior strength