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

Stage 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", 2.02", 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