ICE Racing Engines - Sportsman Series Small Bore (5.3L) Cylinder Heads - Pair

Stage 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 available in sizes 2.00", 2.02", 2.05", and 2.08"

Stainless Exaust Valves available in sizes 1.57" or 1.60"

CNC'd Combustion Chamber Softening/Size Dependent

Pac or btr spring package

* Cylinder Head Castings in Stock

* All Cylinder Heads are CNC'd/Assembled and ready to ship in 8-12 Days