I installed a 500CFM AVS2 carburetor on a stock 305 that had a wide bore carburetor. This allows your carburetor to fit under the hood a lot better than one of those fat and unnecessary four-hole aluminum things. In addition, the price is of course high.
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π New Edelbrock 1405 Performer 4-Barrel Carburetor with Manual Choke, 600 CFM Square Bore and Air Valve Secondary
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