PART REFERENCE SHEET

PRO 1 ALUMINUM 310 BIG BLOCK CYLINDER HEADS
Port
Cham.
Int/Exh
Spring Dia.
Part #
Matl.
Vol.
Vol.
Valves
S=Single
Notes
cc
cc
D=Double
19100010
Alum 310 121   2.250/1.880 VJ   Bare Casting
19100030
Alum 310 121   2.300/1.880 VJ   Bare Casting
19100111
Alum 310 121   2.250/1.880 1.550S  
19100112
Alum 310 121   2.250/1.880 1.550D  
19100116
Alum 310 121   2.250/1.880 1.625D  
19100132
Alum 310 121   2.300/1.880 1.550D  
19100136
Alum 310 121   2.300/1.880 1.625D