Hamilton Cams Stage 1 12v Head

Description

-12 Valve Cummins cylinder head replacement Competition or street ready, so this is a performance upgrade Cylinder head
-The intake ports offers the most velocity of any port we have offered yet
-1.850″ Intake Valves and 1.750″ Exhaust Valves
-Also we can machine for Fire Ring or O-rings
-Comes with 165 Conical springs and upgraded retainers