Ultra XP Carburetor

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!

• Aluminum Construction
• Saves 4.5 Pounds 38% Weight Savings
• Has A Set Screw In The Base Plate For Wide Open Throttle Stop
• Throttle Shafts Rides In Oil Smooth Throttle Actuation
• Metering Blocks/True Gasket Sealing/Fully Adjustable
• Contoured Venturi Inlet Balances Airflow For Increased hp
• Air Bleeds Moved Outward Allow Smoother Transition Of Airflow
• Metering Blocks Feature Durability True Gasket Sealing
• Idle Bypass Valve Eliminates Need For Holes In Throttle Plates
• Dual 30CC Accelerator Pumps Fuel From Idle To Full Throttle
• Fuel Bowls Provide 20% More Fuel Capacity Controls Slosh
• Clear Sight Windows For Easy/Safe Fuel Level Adjustments

Additional Attributes:

• GTIN: 00090127720943
• Barrel: Four
• Billet Color: Hard Core Gray with Black
• Booster Type: Down Leg
• Carburetor Type: 4150
• CFM: 650
• Choke: None
• Circuit: 2
• Emission: Without EGR
• Finish: Hard Core Gray
• Flange: Square Bore
• Fuel Inlet: Dual
• Fuel Type: Gasoline
• Material: Aluminum
• Primary Main Jet: 74
• Primary Power Valve: 6.5
• Secondary Main Jet: 82
• Secondary Pump Nozzle Size: 32
• Secondary Type: Mechanical
• Supercharged Application: No
• Throttle Bore: 1.688 in.
• Type: Automotive
• Usage: Racing
• Venturii Size: 1.250 in.
• WARNING CA Proposition 65: Yes
• WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Extened Information:

• Emissions : Electronically Announced
• Life Cycle Status: Available To Order

Packaging:

• Quantity of Each:
• Package UOM:
• Dimension: 14.2500 x 12.3800 x 9.1300 inches

Fitment: