PART REFERENCE SHEET

PRO 1 ALUMINUM 325 BIG BLOCK CYLINDER HEADS
Port
Cham.
Int/Exh
Spring Dia.
Part #
Matl.
Vol.
Vol.
Valves
S=Single
Notes
cc
cc
D=Double
19200010
Alum 325 121   2.250/1.880 VJ   Bare Casting
19200030
Alum 325 121   2.300/1.880 VJ   Bare Casting
19200111
Alum 325 121   2.250/1.880 1.550S  
19200112
Alum 325 121   2.250/1.880 1.550D  
19200116
Alum 325 121   2.250/1.880 1.625D  
19200132
Alum 325 121   2.300/1.880 1.550D  
19200136
Alum 325 121   2.300/1.880 1.625D