Chevy LS2 4.005" Bore 1.115" .927" Flat Top Forged Pistons Speedmaster aluminum valve covers feature

Speedmaster aluminum valve covers feature a classic raised

So can features such as full ball-bearing construction

Manufactured with lightweight aluminum technology

When time is crucial and weight means everything

For those with applications that require the fast and consistent action of and air shift this is exactly the shifter for you

Chevy LS2 4.005" Bore 1.115" .927" Flat Top Forged Pistons Speedmaster aluminum valve covers featureSpeedmaster 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.