The Holley Ultra XP Carburetor, Model 4150UXP, is engineered for enthusiasts who demand substantial power and precision. With a capacity of 750 CFM, this four-barrel carburetor is crafted from lightweight aluminum, offering a remarkable 38% weight savings over traditional race carburetors. Its unique contoured venturi inlet enhances airflow, boosting horsepower and ensuring smoother air transitions.Designed for street and high-performance usage, this carburetor features dual fuel inlets, double accelerator pumps, and a mechanical secondary for efficient fuel delivery from idle to full throttle. Its high capacity fuel bowls, with 20% more volume, minimize fuel starvation under high-demand conditions, while its adjustable metering blocks and 4-corner idle system allow for fine-tuned performance. Experience Holley's advanced technology, ensuring reliable and optimal performance for your high-performance vehicle.

• 38% lighter with aluminum construction
• Dual fuel inlets for efficient delivery
• Adjustable billet metering blocks
• Idle bypass valve for precise idle control
• 20% more fuel capacity for sustained power
• Clear sight windows for fuel level checking
• Hand adjustable idle screws

Barrel:	Four
CFM:	750
Carburetor Type:	4150
Fuel Inlet:	Dual
Material:	Aluminum
Throttle Bore:	1.688 in.
Finish:	Shiny
Secondary Type:	Mechanical
Booster Type:	Down Leg
Venturii Size:	1.376 in.