Ultra XP Carburetor; 4 bbl; 950 cfm; 2 Circuit Metering; Model 4150UXP; Mech. Secondary; Gas; Dual Fuel Inlet; Hard Core Gray w/Black Metering Block/Booster Inserts;
Xtreme Performance - Holley Ultra XP(TM) Circle Track Carburetors! Ultra XP carbs are 38% lighter than our original HP, have fuel capacity that is 20% greater and 30 other new features! They're available in our Hard Core Gray(TM) hard coat anodized fi nish with Black(TM) billet for improved corrosion protection & also available in natural tumble-polished aluminum with Black(TM) metering blocks and base plate. The Aluminum Ultra XP Cirlce Tracks are available in 650 & 750 CFM's. Holley Ultra XP carburetors are Specifically Calibrated for Circle Track & offer new features such as anti-siphon valve in the main body; high capacity HP bowls which feature 20% more fuel capacity to eliminate starvation, integrated fuel shelf to minimize fuel aeration and internal baffling to control fuel slosh. Other features include all aluminum construction, fully tunable billet metering blocks, billet base plate, wedge floats, adjustable secondary linkage and knurled (hand adjustable) curb idle screws. Holley Ultra XP carburetors are the ultimate in square bore race carburetors! Mechanical Secondary
Features & Benefits
Aluminum Construction
Drain Plug On Bowl Provides Easy Access To Empty Bowl
8AN O-Ringed Inlet Threads Offer A Variety Of Plumbing Options
4 Corner Idle Allows You To Precisely Control Your Idle System
Saves 4.5 Pounds 38% Weight Savings
Contoured Venturi Inlet Balances Airflow For Increased hp
Air Bleeds Moved Outward For Smoother Transition Of Airflow