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Air and Fuel Carburetors and Components

Holley

4500 1050 CFM 3 CIR - RED

$1,912.95 $1,528.95 Save $384.00

SKU: H00E 0-80903RD

In Stock
In Stock
Ships by Aug 4
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 0-80903RD

The original Dominator (R) took carburetion to another level in 1969 when it was developed for NASCAR (R) racing. It has been refined over the years and has received its biggest change ever. The Gen 3 Ultra Dominator features a brand new main-body, brand new state-of-the-art calibrations, high volume fuel bowls and sizes up to 1475 CFM!

Features:

  • All aluminum construction saves 3.8lbs. over original models (28% weight savings)
  • Shiny with red anodized billet aluminum metering block and booster inserts
  • Designed for use on Drag race, Pro Street, or any high horsepower engines
  • Calibrations optimized for today's larger race engines and new fuels
  • Fully machined from venturii throat to throttle bore for predictable & repeatable performance
  • Integrated idle bypass valve allows for adjustment of idle while maintaining correct throttle plate to transfer slot relationship
  • 12 hole billet booster inserts for superior atomization and crisp throttle response
  • Metering blocks feature improved durability, true gasket sealing and fully adjustable (emulsion bleeds, power valve channel restrictors & idle feed restrictors)
  • Dual 50cc accelerator pumps provide the perfect amount of fuel from idle to full throttle
  • Fuel bowls provide 20% more fuel capacity while controlling slosh with internal baffling
  • Clear sight windows on both sides of bowls for easy and safe fuel level adjustments
  • Built in drain plug in front center of bowl provides easy access to empty contents of bowl
  • -8 (o-ringed) inlet threads offer a large variety of plumbing options and can be plumbed from either side
  • Factory ready TPS mounting points for use with data acquisition systems (Holley TPS P/N 534-214 available)
  • Knurled (hand adjustable) primary and secondary curb idle screws allow for easy idle adjustment without the use of tools
  • Contoured hex head squirter screws for streamlined airflow
  • Fully adjustable stainless steel external linkage can be adjusted for 1:1 progressive, or soft progressive throttle activation. No linkage parts under the carburetor
  • 100% wet-flow tested by Holley technicians to assure it arrives ready to run!

1 x 4 Gas 3-Circuit Metering-4500

MIA's Description

The Holley 0-80903RD Gen 3 Ultra Dominator Carburetor is a 1050 CFM, 4-barrel carburetor featuring an all-aluminum construction, integrated idle bypass valve, and optimized calibrations for modern race engines and fuels.

Fitment

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Specifications

BrandHolley
Part NumberH00E 0-80903RD
Weight13.51 lb

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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