PART REFERENCE SHEET
PRO 1 ALUMINUM SMALL-BLOCK CYLINDER HEADS |
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Port |
Cham. |
Int/Exh |
Spring Dia. |
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Part #
|
Matl. |
Vol. |
Vol. |
Plug |
Valves |
S=Single |
Notes |
D=Double |
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11710040P |
Alum | 230 | 64 | AP | 2.08/1.60 VJ | Bare Casting | |
11711143P |
Alum | 230 | 64 | AP | 2.08/1.60 | 1.550D | |
11720040P |
Alum | 230 | 64 | ST | 2.08/1.60 VJ | Bare Casting | |
11721143P |
Alum | 230 | 64 | ST | 2.08/1.60 | 1.550D | |
11810040P |
Alum | 230 | 72 | AP | 2.08/1.60 VJ | Bare Casting | |
11811143P |
Alum | 230 | 72 | AP | 2.08/1.60 | 1.550D | |
11820040P |
Alum | 230 | 72 | ST | 2.08/1.60 VJ | Bare Casting | |
11821143P |
Alum | 230 | 72 | ST | 2.08/1.60 | 1.550D | |