Base Gasket, Fits Rochester 4G and Carter AFB, AVS carburetors.
Four hole design, (Thickness: .062" )
Primary hole diameter: 1.5"
Secondary hole diameter: 1.75"
Quantity: 1 gasket
Replaces Rochester OEM gasket # 524039
Replaces Carter OEM gasket #1A-124, 1A-145, 1A-172
Originally used on the following applications :
Pontiac 1957-58
May also fit other applications.
Originally used on the following Rochester carburetor numbers :
7009829, 7009830, 7011701
May also fit other carburetor numbers.