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

Attributes:

• Brand Name: Proform
• GTIN: 00037995673056
• Adjustable Float Level: Yes
• Air Bleed Material: Brass
• Air Bleed Size (Inner High Speed): 31 / 31
• Air Bleed Size (Outer Idle): 70 / 70
• Air Bleeds Included: Yes
• Air Cleaner Flange Diameter: 0.25
• Barrel Quantity: 4
• Base Length: 5.25
• Base Plate Material: Billet Aluminum
• Base Width: 5.25
• Body Color: Black
• Body Height: 3.25
• Body Material: Aluminum
• Booster Style: Down-Leg Boosters
• CFM: 1050 CFM
• Calibration: Universal
• Center Hung Floats: Yes
• Choke: No Choke
• Choke Type: Manual
• Color: Black Diamond Finish
• Discharge Nozzle Size (Primary / Secondary): .035 in. / .035 in.
• EGR: Without EGR
• Emissions: 49 State Legal
• Feature/Benefit: Lightweight Aluminum Construction
• Finish: Black Diamond Finish
• Flange Shape: 4150 & 8090
• Flange Style: Square Bore
• Flange Type: Square/4150
• Float Material: Nitrophyl
• Ford Kickdown Bracket Included: Yes
• Fuel: Gasoline
• Fuel Inlet: Dual
• Fuel Inlet Thread: 7/8-in. x20
• Fuel Line Inlet Distance: 9-11/16 inch
• Gasket Or Seal Included: Yes
• Grade Type: Performance
• Height (IN): 3.25 inch
• Idle/High Speed Air Bleed Sizes: 70 / 31
• Inlet Fitting Thread Diameter: 0.875
• Linkage Attached: Yes
• Main Body Material: Lightweight Aluminum
• Main Venturi Diameter: 1.875
• Marine Approved: No
• Material: Aluminum
• Metering Block Material: Billet Aluminum
• Mounting Hardware Included: No
• Mounting Hole Diameter: 0.25
• Mounting Hole Quantity: 4
• Needle & Seat: 130
• Number of Barrels: 4
• Part Type: Carburetor
• Primary Jet Diameter: 0.102
• Primary Main Jet Size: 87.5 / .099
• Primary Power Valve (Hg): 4.5
• Secondaries: Mechanical Secondaries
• Secondary Barrel Type: Mechanical
• Secondary Jet Diameter: 0.1085
• Secondary Main Jet Size: 91 / .104
• Series: Black Race Series
• Small Venturi Diameter: 1.75
• Spacer Included: No
• Street Legal: Yes
• Throttle Linkage: Universal

Extended Information:

• Country of Origin: US
• Emissions : Racing or Pre-Emissions Use Only
• Life Cycle Status: Available To Order

Packing Information:

• Quantity of Each: 1
• Package UOM: EA
• Dimension: 13.5 x 11.25 x 7.5 inches
• Weight: 9.8 POUNDS