Description
Description
Ultra XP Carburetor; 4 bbl; 950 cfm; Model 4150UXP; Mech. Secondary; No Choke; E85; Dual Fuel Inlet; 1.750 in. Throttle Bore; 1.600 Venturii Size; Hard Core Gray;
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 finish 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 Calibrated for E-85
Features & Benefits
- Aluminum Construction
- Fuel Bowl Provides 20% More Fuel Capacity Controls Slosh
- Clear Sight Windows On Sides Of Bowl For Fuel Level Adjustments
- Drain Plug On Bowl Provides Easy Access To Empty Bowl
- Saves 4.5 Pounds 38% Weight Savings
- Gray w/Black Anodized Billet Alum Meter Block Booster Inserts
- E85 Specific Calibration
- Contoured Venturi Inlet Balances Airflow For Increased hp
- Air Bleeds Moved Outward To Allow Smoother Transition Of Airflow
- Metering Blocks Feature Improved True Gasket Sealing
- Idle Bypass Valve Eliminates Holes In Throttle Plates
- Dual 30CC Accelerator Pumps Fuel From Idle To Full Throttle
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