Description

Experience the ULTRA advantage with the Holley Ultra Double Pumper™ Carburetors, a perfect blend of performance and innovation.

ULTRA light

Aluminum construction for an impressive 43% weight savings

ULTRA shiny

Tumble-polished finish for prolonged shine

ULTRA strong

Billet metering blocks & base plates ensure durability

ULTRA cool

Black anodized billet aluminum metering blocks and base plate add a sleek touch

ULTRA easy

Built-in sight window for effortless float adjustments

ULTRA fast

High-performance fuel curves for optimum power

Holley Double Pumper® carburetors are an American icon, from dominating factory muscle cars to propelling vehicles across the finish line. The Ultra Double Pumper™ Carburetors take it a step further with a feather-light all-aluminum construction featuring 6061-T6 billet aluminum metering blocks and base plates, weighing nearly 5 lbs. less than their zinc counterparts.

These carburetors boast an enhanced fuel curve for peak performance and a host of features: anodized black billet aluminum metering blocks and base plate, 4 corner idle for precise control, dual accelerator pumps for added initial acceleration fuel, mechanical secondaries for outstanding performance, clear fuel level sight plugs for easy adjustments, Ford automatic transmission kickdown compatibility, four vacuum ports for accessories, and a factory pre-set electric choke for rapid cold start-ups – a first for Double Pumper models.

With a polished appearance and black anodized components, the Ultra Double Pumpers are sure to turn heads at the show or on the track.

Features:

Shiny with blue anodized billet aluminum metering blocks/base plate for a stylish look and secure gasket sealing
Optimized street/strip calibration for out-of-the-box performance
Factory preset electric choke for effortless startups
Mechanical secondaries for impressive tire-turning performance
4 corner idle for precise control of the idle system
Built-in clear fuel level sight glass for mess-free adjustments
Aluminum construction for a remarkable 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 ensure it arrives ready to run!