Chevy SBC 383 ci 6.0" 4.040" 1.125" 0.927" Flat Top Forged Pistons These combinations start with a

These combinations start with a reliable Speedmaster 9

to feed its sump tankâÃîdelivering enough fuel to power up to 800 HP engines

They feature stamped steel construction in a chrome or powdercoated finish to add just the right look to your project

The internal components are made from EN36 Material as used in racing

designed for twin barrel carbys

Chevy SBC 383 ci 6.0" 4.040" 1.125" 0.927" Flat Top Forged Pistons These combinations start with aSpeedmaster 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.