Holley 750 CFM Street HP Mechanical Secondary Carburetor

The Street HP™ carburetor combines the finest features from Holley's race-inspired 4150 HP™ models, fine-tuned for street driving and light competition. This carburetor is designed to deliver a smooth and responsive experience, making it perfect for enthusiasts who want performance without sacrificing drivability.

Featuring a sleek, tumble-polished main body that not only looks great but also enhances airflow, the Street HP is equipped with screw-in air bleeds for precise tuning. The metering system includes a timed spark port for vacuum advance distributors, ensuring that your engine performs optimally, especially in hot street or strip setups. Plus, the base plate is designed with ample vacuum ports to accommodate power brakes, PCV systems, and more.

By merging the best attributes of the race HP and Double Pumper designs, the Street HP is truly the ideal carburetor for both street and strip applications.

• Instructions for Part# 0-82751
• Carburetor Numerical Listing for Part #0-82751

• Vibratory polished for a stunning appearance
• Optimized calibration for exceptional throttle response and drivability
• Contoured venturi inlet for balanced airflow, boosting horsepower
• Screw-in air bleeds for precise tuning flexibility
• Four corner idle for accurate idle control
• Mechanical secondaries for impressive tire-spinning power
• Dual accelerator pumps for extra fuel during initial acceleration
• Dual feed fuel inlets ensure a steady high-volume fuel supply
• Compatible with GM, Chrysler, and Ford automatic transmission kickdown linkage (additional parts may be needed)
• Designed for lightweight vehicles with manual transmissions or automatics with high stall and low gearing
• 100% wet-flow tested by Holley experts to guarantee it’s ready to run right out of the box!

• Barrels: 4
• Booster: Down Leg
• CFM: 750
• Choke: None
• Emission Code: 3
• Finish: Shiny
• Fuel: Gasoline
• Fuel Inlet: Dual
• High Speed Air Bleed: 36
• Idle Air Bleed Size: 71
• Material: Aluminum
• Model: 4150
• Primary Main Jet: 77
• Primary Power Valve: 4.5
• Primary Pump Nozzle Size: 28
• Product Type: 4150 Model Carburetor
• Secondaries: Mechanical
• Secondary Main Jet: 84
• Secondary Pump Nozzle Size: 31
• Supercharged Application: No
• Throttle Bore: 1.688 inch
• Venturi Size: 1.375 inch
• Warranty: Limited 90 Day

• This carburetor features a square bore flange bolt pattern. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with a 5 3/16" x 5 5/8" bolt pattern. If you're using a spreadbore style intake manifold, an adapter will be required for installation, similar to the Mr. Gasket #1932.