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Based on the wildly popular original Race Series carburetors, PROFORM's Black Race Series Carburetors include a Black Diamond coating for enhanced fuel cooling. Each carburetor is hand assembled and tested in the U.S. utilizing the PROFORM High-Flow Carburetor Main Body, durable billet metering blocks, high performance billet throttle baseplate, and lightweight aluminum fuel bowls. PROFORM Black Race Series Carbs include: (1) Adjustable High-Flow Aluminum Main Body with Screw-In Air Bleeds, Maximum Air Flow: No Air Horn, Choke Tower, or Choke Control, Uses standard service and tuning components. (2) Billet Throttle Base Plates: Adjustable Secondary Air Flow Cam Bracket, Solid Billet Construction, Manufactured in the U.S.A., Timed and Full Vacuum Tubes for Accessories and Tuning, Button Torx Head Throttle Plate Screws, Power Valve Blow Out Protection, Progressive Slip Link Mechanical Secondary Linkage, Serviceable Throttle Levers, and Ford Kickdown. (3) Billet Metering Blocks: Solid Billet Construction, Durable, No Warping or Porosity Problems, Changeable Idle Feed Restriction, Manufactured in the U.S.A. (4) Aluminum Fuel Bowls: Lightweight Aluminum, Sight Glass Windows for easy float adjustment.
Based on the wildly popular original Race Series carburetors, PROFORM's Black Race Series Carburetors include a Black Diamond coating for enhanced fuel cooling. Each carburetor is hand assembled and tested in the U.S. utilizing the PROFORM High-Flow Carburetor Main Body, durable billet metering blocks, high performance billet throttle baseplate, and lightweight aluminum fuel bowls. PROFORM Black Race Series Carbs include: (1) Adjustable High-Flow Aluminum Main Body with Screw-In Air Bleeds, Maximum Air Flow: No Air Horn, Choke Tower, or Choke Control, Uses standard service and tuning components. (2) Billet Throttle Base Plates: Adjustable Secondary Air Flow Cam Bracket, Solid Billet Construction, Manufactured in the U.S.A., Timed and Full Vacuum Tubes for Accessories and Tuning, Button Torx Head Throttle Plate Screws, Power Valve Blow Out Protection, Progressive Slip Link Mechanical Secondary Linkage, Serviceable Throttle Levers, and Ford Kickdown. (3) Billet Metering Blocks: Solid Billet Construction, Durable, No Warping or Porosity Problems, Changeable Idle Feed Restriction, Manufactured in the U.S.A. (4) Aluminum Fuel Bowls: Lightweight Aluminum, Sight Glass Windows for easy float adjustment.
- Lightweight Aluminum Construction
Information:
850 CFM, Mechanical Secondary, Black & Purple| Attributes | |
| Adjustable Float Level | Yes, Yes |
| Air Bleed Material | Brass, Brass, Brass |
| Air Bleed Size (Inner High Speed) | 35 / 35, 35 / 35 |
| Air Bleed Size (Outer Idle) | 70 / 70, 70 / 70 |
| Air Bleeds Included | Yes, Yes, Yes |
| Air Cleaner Flange Diameter | 0.25, 0.25 |
| Barrel Quantity | 4, 4 |
| Base Length | 5.25, 5.25 |
| Base Plate Material | Billet Aluminum, Billet Aluminum, Billet Aluminum |
| Base Width | 5.25, 5.25 |
| Body Color | Black, Black |
| Body Height | 3.25, 3.25 |
| Body Material | Aluminum, Aluminum |
| Booster Style | Down-Leg Boosters, Down-Leg Boosters, Down-Leg Boosters |
| Calibration | Universal, Universal, Universal |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Category | Carbs, Carbs, Carbs |
| Center Hung Floats | Yes, Yes |
| CFM | 850 CFM, 850 CFM, 850 CFM |
| Choke | No Choke, No Choke, No Choke |
| Choke Type | Manual, Manual |
| Color | Black Diamond Finish, Black/Purple, Black Diamond Finish |
| Country of Origin (Primary) | US |
| Discharge Nozzle Size (Primary / Secondary) | .033 in. / .033 in., .033 in. / .033 in. |
| EGR | Without EGR, Without EGR, Without EGR |
| Emission Code | Off Road |
| Emissions | 49 State Legal, 49 State Legal, 49 State Legal |
| Feature/Benefit | Lightweight Aluminum Construction, Lightweight Aluminum Construction, Fully adjustable, Factory Tested, Billet Aluminum Throttle Base Plate and Metering Blocks, High quality, light weight aluminum fuel bowls with fuel level windows, Tons of features and affordable pricing = GREAT VALUE!, Hand assembled in the U.S.A. |
| Finish | Black Diamond Finish, Black Diamond and Anodized, Black Diamond Finish |
| Flange Shape | 4150 & 8090, 4150 & 8090 |
| Flange Style | Square Bore, Square Bore, Square Bore |
| Flange Type | Square/4150, Square/4150 |
| Float Material | Nitrophyl, Nitrophyl |
| Ford Kickdown Bracket Included | Yes, Yes |
| Fuel | Gasoline, Gasoline |
| Fuel Inlet | Dual, Dual, Dual |
| Fuel Inlet Thread | 7/8-in. x20, 7/8-in. x20, 7/8-in. x20 |
| Fuel Line Inlet Distance | 9-11/16 inch, 9-11/16 inch |
| Gasket Or Seal Included | Yes, Yes |
| Grade Type | Performance, Performance |
| Harmonized Tariff Code (Schedule B) | 8409915085 |
| Hazardous Material Code | N |
| Height (IN) | 3.25 in., 3.25 inch |
| Idle/High Speed Air Bleed Sizes | 70 / 35, 70 / 35 |
| Life Cycle Status Code | Available to Order |
| Linkage Attached | Yes, Yes |
| Main Body Material | Lightweight Aluminum, Lightweight Aluminum, Lightweight Aluminum |
| Main Venturi Diameter | 1.875, 1.875 |
| Marine Approved | No, No |
| Material | Aluminum, Aluminum |
| Metering Block Material | Billet Aluminum, Billet Aluminum |
| Mounting Hardware Included | No, No |
| Mounting Hole Diameter | 0.25, 0.25 |
| Mounting Hole Quantity | 4, 4 |
| NAFTA Preference Criterion Code | B |
| Needle & Seat | 120, 120 |
| Number of Barrels | 4, 4 |
| Part Type | Carburetor, Carburetor, Carburetor |
| Primary Jet Diameter | 0.087, 0.087 |
| Primary Main Jet Size | 78 / .084, 78 / .084 |
| Primary Power Valve (Hg) | 4.5, 4.5 |
| SDR Required Flag | N |
| Secondaries | Mechanical Secondaries, Mechanical Secondaries, Mechanical Secondaries |
| Secondary Jet Diameter | 0.102, 0.102 |
| Secondary Main Jet Size | 87.5 / .099, 87.5 / .099 |
| Series | Black Race Series, Black Race Series, Black Race Series |
| Small Venturi Diameter | 1.75, 1.75 |
| Spacer Included | No, No |
| Street Legal | Yes, Yes |
| Throttle Linkage | Universal, Universal, Universal |
| Warranty Time | 1 |
| GTIN | 00037995673032 |