Holley Gen 3 Ultra Dominator Carburetor

Holley Gen 3 Ultra Dominator Carburetor

The Holley Gen 3 Ultra Dominator® Carburetor represents the latest evolution of Holley's legendary Dominator platform. Originally developed for NASCAR® competition, the Gen 3 Ultra Dominator features an all-new main body design, advanced race calibrations, increased fuel capacity, and airflow ratings up to 1475 CFM. Built for drag racing, Pro Street, and high-horsepower applications, it delivers unmatched performance, tunability, and consistency.

Key Features

• Available in airflow ratings up to 1475 CFM
• All-aluminum construction saves 3.8 lbs. over previous models
• Hard Core Gray finish with black anodized billet metering blocks and boosters
• Fully machined venturii and throttle bores for repeatable performance
• 12-hole billet booster inserts for superior fuel atomization
• Dual 50cc accelerator pumps for crisp throttle response
• Integrated idle bypass valve for improved idle control
• Fully tunable billet metering blocks with adjustable bleeds and restrictors
• Factory-ready TPS mounting provisions for data acquisition systems
• 100% wet-flow tested before shipment

Advanced Fuel Bowl Design

• 20% greater fuel capacity than previous generations
• Internal baffling minimizes fuel slosh during hard launches
• Integrated fuel shelf helps reduce aeration
• Dual clear sight windows for quick fuel level adjustments
• Built-in drain plugs for easy maintenance
• -8 O-ring inlet threads provide flexible plumbing options

Race-Ready Performance

• Designed for drag racing, Pro Street, and high-horsepower engines
• Optimized calibrations for modern fuels and larger displacement engines
• Adjustable stainless steel external linkage with progressive throttle options
• Hand-adjustable primary and secondary idle screws
• CFD-developed air entries for improved airflow efficiency
• Extended air cleaner flange for optional air scoop installations

Note: Proper carburetor sizing should be selected based on engine displacement, RPM range, vehicle weight, and intended racing application.