Rochester 1 barrel carburetor base，B. Suitable for manual choke carburetor. If your vacuum tube brass connector is: 1/8-28, it can also be used, just screw in half the thread. The spacing between two bolt holes is :74mm.
Vintage Chevy Rochester Carburetor Throttle Body 1 Barrel Manual choke Rat Rod
1957-1961 Chevy Rochester 1 barrel Carburetor 235ci 6 cylinder engine #7013003
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AutoMeter 1337-00408 Chevy Vintage Series 2-1/16" 100-250 F Water Temp Gauge
