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Crafted from high-quality aluminum
They are manufactured from cast aluminum and are offered with breather holes or without any holes
This construction ensures superior strength
modeled off OE castings for factory fit and finish
Chevy SBC 383 ci 6.0" 4.030" 1.125" 0.927" Flat Top Forged Pistons Crafted from high-quality aluminumSpeedmaster 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$ 24.95
US$ 49.95
US$ 34.95
