Seller notes

Holley 4150/4779/750cfm, competition drag racing double pumper carburetor Holley, 4150/4779/750cfm competition drag racing carburetor, double pumper, mechanical secondary linkage, 50cc secondary accelerator pump, 4 corner idle, jet extensions with notched secondary float for hard rapid acceleration, tygon seals on the idle mixture screws, choke horn milled to increase airflow to 800+cfm and have great low end throttle response, was totally disassembled, vibratory cleaned and polished in a filter...

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