Chevy SBC 350 5.7" 4.040" 1.550" 0.927" Flat Top Forged Pistons  
 
PCE 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.
 
Piston Rings
PC-4639-040
RN/101.6x1.5+1.5+3