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4150 Series 750 CFM Holley Ultra Double Pumper Carburetor

4150 Series 750 CFM Holley Ultra Double Pumper Carburetor

Holley

  • 54889


With a tradition and history steeped in NASCAR heritage, Holley carbs have powered every NASCAR cup team since the 1960s and bring their long standing pedigree of excellence and engineering to their carburetor products today. The world famous holy dominator was developed for NASCAR racing in 1968, and their model 4150 Holley carbs powered teams through the 80s and early 90s, and their HP Pro Series set the standard back in 1994 that is still widely accepted today.

When you need flexibility in your carbureted fuel system, nothing gets you results like the Ultra Double Pumper carburetors from Holley. Equipped with mechanical secondaries and dual accelerator pumps and manual choke in most applications, transitioning from part to full throttle has never been easier!

Intended for hot street cars and race vehicles, these double pumper carburetors are best used in lightweight vehicles and manual transmissions or automatic transmissions with a High stall and low end gears. Mechanical secondaries means your foot controls the secondary throttle blades and for additional fuel under a initial acceleration, the dual accelerator pumps help you make the transition from low speeds.

Features:

Black red or blue anodized billet aluminum metering blocks/base plate with black hardware
Ford A/T kickdown, does not work with AOD transmissions
Mechanical secondaries
Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing
4 corner idle
1 timed (spark) port
1 full vacuum
1 PCV port
Glass fuel level sight windows for easy and safe initial float level adjustment
Aluminum construction for weight savings and long lasting shine
Electric choke for easy cold starting and warm up

750 CFM Ultra Double Pumper Four Barrel Street Strip Carburetor Black

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