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the LS-series heads are produced using our "Gravity Casting" process
Will not directly plug into GM column but can be connected by individually connecting wires from harness to their respective circuits
all of our 23deg
and have a maximum pressure of 7 psi with an externally accessible pressure relief valve
No modifications to the dipstick are needed
Chevy SBC 383 ci 6.0" 4.030" 1.125" 0.927" Flat Top Forged Pistons the LS-series heads are producedSpeedmaster 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.
