ICE Racing Engines - Sportsman Series Small Bore (5.3L) Cylinder Heads - Pair gt350 tune WE DO INSTALL AND TUNE

WE DO INSTALL AND TUNE IN-HOUSE IN MT

and Custom Tune for Your Naturally Aspirated 2024-2025 S650 Mustang GT 5

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

We do not offer tuning for only one or the other

Additionally

ICE Racing Engines - Sportsman Series Small Bore (5.3L) Cylinder Heads - Pair gt350 tune WE DO INSTALL AND TUNEStage 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