ICE Racing Engines - Sportsman Series Small Bore (5.3L) Cylinder Heads - Pair gt350 tune Stage 1 Tuning Level covers

Stage 1 Tuning Level covers stock engine/basic bolt-on SuperCharger and TurboCharger kits

1 12-way connector kit

What Rear Gear

the vehicle will remain licensed on that interface and can be tuned indefinitely

ICE Racing Engines - Sportsman Series Small Bore (5.3L) Cylinder Heads - Pair gt350 tune Stage 1 Tuning Level coversStage 1: Thick . 550" Deck (Stock 243 castings are just under . 400") As Cast Intake Exhaust Runners 15* Intake Valve Stainless Intake Valves available in sizes 2. 00", 2. 02", 2. 05", and 2. 08" Stainless Exaust Valves available in sizes 1. 57" or 1. 60" 64cc Combustion Chamber Pac or btr spring package Stage 2: Thick . 550" Deck (Stock 243 castings are just under . 400") As Cast Intake Exhaust Runners 15* Intake Valve Stainless Intake Valves