PART REFERENCE SHEET
PRO 1 ALUMINUM SMALL-BLOCK FORD HEADS |
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Port |
Cham. |
Spring Dia. |
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Part #
|
Matl. |
Vol. |
Vol. |
Plug |
Int/Exh Valves |
S=Single |
Notes |
cc |
cc |
D=Double |
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13100080 |
Alum | 170 | 62 | AP | 1.94/1.60 VJ | Bare | |
13111181 |
Alum | 170 | 62 | AP | 1.94/1.60 | 1.250S | |
13111182 |
Alum | 170 | 62 | AP | 1.94/1.60 | 1.437D | |