Big-Block Cylinder Heads
Part Number: 12562917
Description: Gen V, VI BBC
Casting Number: 12562932
Material: Iron
Port Type: Round
Valve Angle: BBC
Chbr (cc): 118
Int Vlv (in): 2.070
Exh Vlv (in): 1.720
Exh Port: Square
Plug Type: Std
Heat Riser: yes
Rocker Stud: Screw-in
Notes: HT 502 head