Holley 650 CFM 4150 HP Series Classic Carburetor, Mechanical Secondary - Gold Dichromate Finish
510-0-80541-2
Items You Need
650cfm
0-80541-2 Features:
- Includes notched floats and jet extensions
- Square-bore flange bolt pattern
- Contoured venturi inlet for balanced airflow and reduced turbulence
- Screw-in air bleeds for precise tuning
- Dual 30cc accelerator pumps provide additional fuel under initial acceleration
- High-flow metering blocks with reusable gaskets
- Dominator-style fuel bowls for plumbing lines on either side
- 4-corner idle for idle system control
- Progressive Secondaries for dialed-in starting line launches
- Stainless steel throttle plates
- 100-percent wet-flow tested for ready-to-race right out of the box
Technical Specifications:
- Primary main jet: 70
- Primary power valve: 6.5
- Primary pump nozzle size: 28
- Secondary main jet: 70
- Secondary power valve: 6.5
- Secondary pump nozzle size: 29
- Throttle bore: 1.688 in.
- Venturi size: 1.250 in.
- Straight booster
- 2-Circuit
Notes:
- Replaces Holley, Edelbrock, Carter AFB, and Autolite-style carburetors with 5-3/16 (.1875) in. x 5-5/8 (.625) in. bolt pattern
- An adapter is required to install on a spread bore-style intake manifold (sold separately)
Emissions: This part is legal for sale and uses on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:
- 1965 and older U.S. manufactured California Certified vehicles
- 1967 and older U.S. manufactured Federally Certified vehicles
- 1967 and older Foreign manufactured vehicle
The following vehicles are considered Racing Use Only Vehicles:
- Vehicles that are used exclusively for competition and that are not registered and that may never be used on the street
Specifications:
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.