Holley Ultra Double Pumpers with Manual Choke

Holley-Doubleholley-logoHolley’s Ultra Double Pumpers™ are now available with a manual choke! The Ultra Double Pumper Carburetors feature all aluminum construction and are equipped with metering blocks and a base plate made from 6061–T6 billet aluminum. These carburetors come with a tumble-polished aluminum body with three anodized color options (Red™, Blue™, or Black™) for the base plate and metering blocks. They are also available in the popular Hard Core Gray™ hard coat anodized finish. The all-aluminum construction makes them approximately 5 lbs. less than a comparable zinc carburetor.

The new Ultra Double Pumper Carburetors have an enhanced fuel curve for optimum performance, with many more features such as aluminum construction; anodized billet aluminum metering blocks and base plate; 4 corner idle for precise idle control; mechanical secondaries for great performance; clear fuel level sight plugs for easy, no mess fuel level adjustments; Ford automatic transmission kickdown for use on popular Ford transmissions; four vacuum ports for all necessary vacuum accessories; and a manual choke for easy, fast cold start–ups.

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