ULTRA light

Aluminum construction for 43% weight savings

ULTRA stealthy

Hard Core Gray™ anodized finish

ULTRA strong

Billet metering blocks & base plates

ULTRA cool

Black anodized billet aluminum metering blocks and base plate

ULTRA easy

Built in sight window for simple float adjustments

ULTRA fast

High-performance fuel curves

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. They weigh in at 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 for the first time on a Double Pumper, factory pre-set electric choke for easy, fast cold start-ups.

The clean, stealthy look coupled with Black metering blocks and throttle body will certainly set your ride apart whether you are at the show or track.

Features

• Hard Core Gray™ w/ black anodized billet aluminum metering blocks/base plate. Casting is hard coat anodized for ultimate corrosion resistance
• Ultra Double Pumpers feature an Optimized street/strip calibration that works out-of-the-box
• Factory preset electric choke for easy startups
• Mechanical secondaries for awesome tire turning performance
• 4 corner idle allows you to precisely control your idle system
• Built in, clear fuel level sight glass for easy, no mess fuel level adjustments
• Aluminum construction for a 43% weight savings
• Compatible with GM, Chrysler, and Ford A/T kickdown linkage. Additional parts may be required.
• Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing
• 100% wet-flow tested by Holley technicians to assure it arrives ready to run!