Get ready for some serious tire-smoking action without breaking the bank! The all-new Aluminum Street HP carburetors are designed to be lighter—up to 40% less weight—making them a wallet-friendly choice for performance enthusiasts.

Holley is excited to present the Aluminum Street HP™. This innovative carburetor takes the best features from Holley's race-inspired 4150 HP™ models and adapts them for street and light competition use. With its aluminum contoured main body, inspired by the race-winning 4150 HP™, and a stunning tumble-polished finish, this carburetor not only looks great but also offers screw-in air bleeds for precise tuning. The metering system includes a timed spark port for a vacuum advance distributor, making it perfect for hot street or strip engine setups. Expect outstanding throttle response, drivability, and peak performance every time you hit the gas. The base plate is designed with plenty of vacuum ports for power brakes, PCV, and more.

The Aluminum Street HP seamlessly combines all the fantastic features of the race-bred HP and the Double Pumper, creating the ultimate street/strip carburetor.

• Instructions for Part # 0-82651SA
• Carburetor Numerical Listing for Part #0-82651SA

• Lightweight aluminum construction for durability and eye-catching style
• Optimized for street and strip use, ensuring fantastic throttle response and drivability
• Contoured venturi inlet for balanced airflow, boosting horsepower
• Screw-in air bleeds allow for precise tuning adjustments
• Four corner idle system for accurate idle control
• Mechanical secondaries for impressive tire-spinning performance
• Dual accelerator pumps provide extra fuel during initial acceleration
• Dual feed fuel inlets ensure a steady high volume of fuel delivery
• Available in 650, 750, 850, and 950 CFM options
• Perfect for lightweight vehicles with manual transmissions or automatics featuring high stall and low gearing
• Each unit is 100% wet-flow tested by Holley technicians to guarantee it’s ready to run right out of the box!
• Compatible with GM, Chrysler, and Ford A/T kickdown linkage, though additional parts may be necessary.

• Barrels: 4
• Booster: Straight
• CFM: 650
• Choke: None
• Emission Code: 3
• Finish: Shiny
• Fuel: Gasoline
• Material: Aluminum
• Model: 4150
• Primary Main Jet: 69
• Primary Power Valve: 6.5
• Primary Pump Nozzle Size: 28
• Product Type: 4150 Model Carburetor
• Secondaries: Mechanical
• Secondary Main Jet: 75
• Secondary Pump Nozzle Size: 29
• Supercharged Application: No
• Throttle Bore: 1.688 inch
• Venturi Size: 1.250 inch
• Warranty: Limited 90 Day

• This carburetor features a square bore flange bolt pattern and can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with a 5 3/16" x 5 5/8" bolt pattern. If your intake manifold is of the spreadbore style, you’ll need an adapter for installation, similar to the Mr. Gasket #1932.