12363400
Bowtie Rectangular Port Aluminum Cylinder Head Assembly

• Aluminum performance head
• Completely assembled with 2.250"/1.880" 11/32" stem valves
• 300cc rectangular intake port
• 110cc exhaust port
• 118cc combustion chamber
• Uses bare head P/N 12363410

This head is assembled with the following components:
12366987 2.250" Intake Valves
12366990 Valve Spring Retainer Lock
12366988 1.880" Exhaust Valves
12366992 Valve Spring Retainer
12462970 Valve Springs
12495690 Valve Seals
3875916 Valve Spring Shims
3921912 Rocker Arm Studs
3860038 Pushrod Guideplates

Big-Block Cylinder Heads
Part Number: 12363400
Description: Rect alum
Casting Number: 12363401
Material: Alum
Port Size (cc): 300
Port Type: Rect
Valve Angle: BBC
Chbr (cc): 118
Int Vlv (in): 2.250
Exh Vlv (in): 1.880
Exh Port: Square
Plug Type: Std
Heat Riser: no
Rocker Stud: Screw-in
Notes: Assembled