1250 CFM Gen 3 Ultra Dominator Carburetor. Features:
ULTRA light all aluminum construction saves 3.8 lbs. New or modified fuel lines are required (if replacing existing Holley Dominator 4500 series carburetor - previous bowl machining was 7/8-20, Aluminum Ultra Dominator carburetors come assembled with -6AN to SAE 8 port fittings). Center to center fuel inlet measurement is now 11.5"
Shiny with black 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!Product Description:
Carburetor Gen 3 Ultra Dominator Model 4500 4-Barrel 1250 CFM Dominator Flange No Choke Mechanical Secondary Dual Inlet Aluminum Black Anodized / Tumble Polished Sold IndividuallyFor over a century Holley has driven the cutting edge of fuel-system design. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. Top brands like MSD, Flowmaster, Hurst, Accel, and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley’s commitment to its customers and their cars is at the core of everything we do.
