LT1 GM Casting Stage 3

Disassemble, Jet Wash, and Bead Blast Cylinder Heads.

Remove Stock Valve Seat Inserts.

Install Over Sized Hardened Valve Seats.

Manley Race Flow Stainless Steel Valves 2.055”/1.60”.

Competition 3 Angle Valve Job.

Complete Stage 3 Porting On Intake and Exhaust Runners.

Combustion Chamber Receives Work For More Flow and Detonation Resistance.

Mill Heads .010” For Proper Gasket Retention and Straightness.

New Seals, Titanium Retainers, Comp Locks, Hardened Spring Seats and .650" Custom Valve Springs

Flow Cylinder Heads With Print Out