Description
The Street HP(TM) uses the best features from Holley’s race Bred 4150 HP(TM) carbs, but tamed for street and light competition use. The Street HP features the contoured main body from the 4150 HP(TM) and has a tumble polished shiny finish and screw in air bleeds for precision tuning capabilities. 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. The Street HP takes all the great features from the race HP and the Double Pumper and combines them into the perfect street/strip carburetor.
Resources
Installation Instructions
Specifications:
| Barrel | Four |
| Booster Type | Straight |
| Carburetor Type | 4150 |
| CFM | 950 |
| Choke | None |
| Description_ASC | Holley Performance Emission Code 3: This part is legal for sale and use 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: Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle |
| Description_DEF | Carburetor |
| Description_DES | Street HP Carburetor |
| Description_EXT | Street HP Carburetor; 4 bbl; 950 cfm; Model 4150HP; Mech Secondary; No Choke; Gasoline; Aluminum; |
| Description_FAB | 100% Wet Flow Tested By Holley Technicians |
| Description_FAB | Aluminum Construction For Weight Savings/Long Lasting Looks |
| Description_FAB | Arrives Ready To Run |
| Description_FAB | Contoured Venturi Inlet Balances Airflow For Increased hp |
| Description_FAB | Dual Accelerator Pumps For Add. Fuel Under Initial Acceleration |
| Description_FAB | Dual Feed Fuel Inlets For Constant High Volume Fuel Delivery |
| Description_FAB | Four Corner Idle For Precise Idle Control |
| Description_FAB | Intended For Lightweight Vehicles w/Man/Auto Trans |
| Description_FAB | Mechanical Secondaries For Awesome Tire Turning Performance |
| Description_FAB | Optimized Calibration For Outstanding Drivability |
| Description_FAB | Screw In Air Bleeds For Precision Tuning Capabilities |
| Description_INV | 950 CFM ALUMINUM STREET HP MECH SEC |
| Description_LAB | Proposition 65 |
| Description_MKT | The Street HP(TM) uses the best features from Holley’s race Bred 4150 HP(TM) carbs, but tamed for street and light competition use. The Street HP features the contoured main body from the 4150 HP(TM) and has a tumble polished shiny finish and screw in air bleeds for precision tuning capabilities. 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. The Street HP takes all the great features from the race HP and the Double Pumper and combines them into the perfect street/strip carburetor. |
| Description_MKT | Tire smoking performance has never been so affordable! The all new Aluminum Street HPs weigh up to 40% less and are even easier on your wallet. Holley is proud to introduce the all new Aluminum Street HP(TM);. They utilize the best features from Holleys Race Bred 4150 HP(TM); carbs, but are tamed for street and light competition use. The Street HP features an aluminum contoured main body design taken from the race winning 4150 HP(TM); and has a tumble polished shiny finish and screw in air bleeds for precision tuning capabilities. 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, drivability and maximum performance. The Aluminum Street HP takes all the great features from the race bred HP and the Double Pumper and combines them into the perfect street/strip carburetor. |
| Description_SHO | Carburetor |
| Emission | Without EGR |
| finish | Shiny |
| Flange | Square Bore |
| Fuel Type | Gasoline |
| height | 8.0 |
| length | 12.4 |
| Material | Aluminum |
| Primary Main Jet | 84 |
| Primary Power Valve | 6.5 |
| Secondary Main Jet | 84 |
| Secondary Pump Nozzle Size | 31 |
| Secondary Type | Mechanical |
| Supercharged Application | No |
| Throttle Bore | 1.750 in. |
| Type | Automotive |
| Usage | Street/Hi-Performance |
| Venturii Size | 1.563 in. |
| WARNING CA Proposition 65 | Yes |
| WARNING CA Proposition 65 Message | WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
| weight | 7.0 |
| width | 11.2 |
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