Holley 850 CFM Aluminum Street HP Carburetor#HOL82851SA
Holley Carburetor, Street HP, 850 cfm, 4-Barrel, Mechanical Secondary, No Choke, Square Bore, Polished, Each#HOL82851SA
The Street HP™ uses the best features from Holley's race Bred 4150 HP™ carbs, but tamed for street and light competition use.
The contoured main body from the 4150 HP™ has a tumble polished shiny finish. The metering system includes a timed spark port for a vacuum advance distributor and is calibrated for a hot street/strip engine setup for outstanding throttle response and drivability. A street HP base plate is used so there are plenty of vacuum ports for power brakes, PCV, etc.
Features:
- Aluminum construction for weight savings and long lasting good looks
- Optimized street/strip calibration for outstanding throttle response and drivability
- Contoured venturi inlet offers balanced airflow for increased horsepower
- Screw in air bleeds for precision tuning capabilities
- Four corner idle for precise idle control
- Mechanical secondaries for awesome tire turning performance
- Dual accelerator pumps for additional fuel under initial acceleration
- Dual feed fuel inlets for constant high volume fuel delivery
- Available in 650, 750, 850, and 950 CFM versions
- Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing
- Compatible with GM, Chrysler, and Ford A/T kickdown linkage. Additional parts may be required.
Specifications :
| Barrels | 4 |
|---|---|
| Booster | Down Leg |
| Brand | Holley |
| Carburetor Use | Performance and Race |
| CFM | 850 |
| Choke | None |
| Condition | New |
| Emission Code | 3 |
| Finish | Shiny |
| Fuel | Gasoline |
| Marine Use | No |
| Material | Aluminum |
| Model | 4150 |
| Primary Main Jet | 80 |
| Primary Power Valve | 4.5 |
| Primary Pump Nozzle Size | 28 |
| Product Type | Carburetor |
| Secondaries | Mechanical |
| Secondary Main Jet | 82 |
| Secondary Pump Nozzle Size | 28 |
| Supercharged Application | No |
| Throttle Bore | 1.688 inch |
| Venturii Size | 1.563 inch |
| Warranty | Limited 90 Day |
Note : This model of carburetor has the square bore flange bolt pattern. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5 3/16" x 5 5/8" bolt pattern. If you have a spreadbore style intake manifold, you will need an adapter to install this carburetor. Similar to the Mr. Gasket #1932.
| Part Type | Carburettors |
|---|---|
| Product Line | Carburettors & Accessories |
| Brand | Holley |