Year: 1946, 1947, 1948, 1950, 1951, 1955, 1956, 1957, 1958
Make: GMC, Holley
Vehicle: Carburetors, Components and Systems, Trucks
Type: Parts Catalog, Specifications
Models: Holley 852-FFG, 885-JJG, AA-1, 1904-FS/HS, 4000-G, 4150-G; GMC 248 to 503, V-324 and V-370 engines
Publication: Form G-1 (contents, 6-57); sheets G-220 to G-250, G-4300, G-4325
Pages: 80

The Holley AA-1 for the 1955 GMC cab forward 500 Series with the 302 engine: R-1132A and the electric-choke R-1133A (6 volt) and R-1134A (12 volt). It gives master repair kit 85R-272, carburetor specifications (main jet No. 62, economizer 25R-13A), engine specifications including idle speeds with Hydra-Matic and mechanical transmission, an exploded view and a parts list of 101 index numbers.

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