ICE Racing Engines - Race Series Small Bore (5.3L) Cylinder Heads - Pair 2024 Mustang HP Tuners • Lightest weight power adder

• Lightest weight power adder

Stage 1 Tuning Level covers stock cars to mild bolt-ons

Ready for both 58x and 24x triggers with provision for direct connection to LS3 style ignition coils

HP Tuners RTD+ and Custom Tune for Your SuperCharged or TurboCharged 2018-2019 GT350

ICE Racing Engines - Race Series Small Bore (5.3L) Cylinder Heads - Pair 2024 Mustang HP Tuners • Lightest weight power adderStage 1: Thick . 550" Deck (Stock 243 castings are just under . 400") CNC Ported Intake Exhaust Runners Stainless Intake Valves available in sizes 2. 00", 2. 02", 2. 05", and 2. 08" Stainless Exhaust Valves available in sizes 1. 57" or 1. 60" 62 66cc Combustion Chamber Pac or btr spring package Stage 2: Thick . 550" Deck (Stock 243 castings are just under . 400") CNC Ported Intake Exhaust Runners Stainless Intake Valves available in sizes 2. 00", 2.