Ultra XP Carburetor; 4 bbl; 950 cfm; Model 4150UXP; Mech. Secondary; Methanol; Dual Fuel Inlet; 1.750in. Throttle Bore; 1.600in. Venturii Size; Hard Core Gray;
Xtreme Performance - Holley Ultra XP(TM) Methanol carburetors! Ultra XP Methanol 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 all-new Hard Core Gray(TM) hard coat anodized finish with Black(TM) billet for improved corrosion protection. Holley Ultra XP Methanol carburetors offer new features such as an integrated idle bypass valve that allows for idle adjustments while maintaining the correct throttle plate to transfer slot relationship, high capacity fuel 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, adjustable secondary linkage and knurled (hand adjustable) curb idle screws. Holley Ultra XP carburetors are the ultimate in square bore race carburetors!
- Aluminum Construction
- Contoured Venturi Inlet Balances Airflow For Increased hp
- Metering Blocks/True Gasket Sealing/Fully Adjustable
- Idle Bypass Valve Eliminates Holes In Throttle Plates
- Dual 50CC Accelerator Pumps Fuel From Idle To Full Throttle
- Fuel Bowls Provide 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
- Clear Sight Windows For Easy/Safe Fuel Level Adjustments
- Saves 4.5 Pounds 38% Weight Savings
- Methanol Specific Calibration
Application Summary:
| Year |
Make/Model |
| Xtreme |
Performance-Holley Ultra XP™ Methanol carburetors! Ultra XP Methanol 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 all-new Hard Core Gray™ hard coat anodized finish with Black™ billet for improved corrosion protection. Holley Ultra XP Methanol carburetors offer new features such as an integrated idle bypass valve that allows for idle adjustments while maintaining the correct throttle plate to transfer slot relationship |
| high |
capacity fuel 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 |
| adjustable |
secondary linkage and knurled (hand adjustable) curb idle screws. Holley Ultra XP carburetors are the ultimate in square bore race carburetors! |
Additional Information:
