Chevy SBC 383 ci 6.0" 4.030" 1.125" 0.927" Flat Top Forged Pistons This construction ensures superior strength

This construction ensures superior strength

This allows for an efficient fluid transfer

modeled off OE castings for factory fit and finish

please note that some modification to your stock fuel line may be necessary to adapt to our fuel rail system

and 350 V8s with OEM carb or Edelbrock #1400 carb

Chevy SBC 383 ci 6.0" 4.030" 1.125" 0.927" Flat Top Forged Pistons This construction ensures superior strengthSpeedmaster 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.