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Proform High Performance Carburetor Main Body


Proform
Proform High Performance Carburetor Main Body

Product images may differ from actual product appearance.

Proform's High Performance Carburetor Main Body is a 100% new, direct replacement component for your wore out or leaking carb main body. The race inspired design helps add up to 25-50 horsepower. It is packed with features like smooth radius venturis, down-leg or annular boosters, adjustable screw-in air bleeds, air horn and choke plate delete. This main body is developed to get maximum air flow that easily turns your street carb into a high performance race-design carb. This high performance swap is an easy installation utilizing your existing metering blocks, fuel bowls and base plate. Comes complete with instructions, all necessary non-stick replacement gaskets and a high performance jet kit. This main body does not retain vacuum advance port in original metering block.

Features:
  • 100% New Components, Not re-built
  • All Aluminum Construction (excluding p/n 778-67203, Zinc Construction)
  • Smooth Radius Venturis
  • Choke Horn Deleted
  • High Performance Down-Leg or Annular Boosters
  • Adjustable Screw-In Air Bleeds
  • Easy Swap, Direct Replacement
  • Includes Instructions, Non-Stick Gaskets and Jet Kit


  • 11 Products
    Vacuum Secondary Carburetors

    778-67101C
    750 CFM High Performance Carburetor Main Body
  • Vacuum Secondary Design
  • Gasoline
  • Down-Leg Boosters
  • Aluminum Body
  • Fits Holley Model #3310 (750 CFM)
  • $128.99
    Ships

    778-67101CK
    750 CFM High Performance Carburetor Upgrade Kit
    Includes:
  • Billet Metering Block
  • Carb Main Body
  • Billet Metering Center Plate
  • Carb Jet Extensions
  • Quick Change Cover Kit
  • Bowl Washers
  • Sight Plugs
  • Easy Kits
    $297.99
    Ships
    Mechanical Secondary Carburetors

    778-67203
    650 CFM High Performance Carburetor Main Body
  • Mechanical Secondary Design
  • Gasoline
  • Down-Leg Boosters
  • Zinc Body
  • Flows up to 690 CFM
  • Fits Holley Double Pumper Model #4777 (650 CFM)
  • $172.99
    Order Today Ships 09/04/14

    778-67100C
    650-800 CFM High Performance Carburetor Main Body
  • Mechanical Secondary Design
  • Gasoline
  • Down-Leg Boosters
  • Aluminum Body
  • Fits Holley Double Pumper Models #4777 (650 CFM), #4778 (700 CFM), #4779 (750 CFM), #4780 (800 CFM)
  • $128.99
    Ships

    778-67100CK
    650-800 CFM High Performance Carburetor Upgrade Kit
    Includes:
  • Billet Metering Blocks
  • Carb Main Body
  • Throttle Shaft
  • Secondary Pump Cam Bracket
  • Carb Jet Extensions
  • Bowl Washers
  • Sight Plugs
  • Easy Kits
    $362.99
    Ships

    778-67217
    750 CFM High Performance Carburetor Main Body
  • Mechanical Secondary Design
  • Gasoline
  • Annular Boosters
  • Aluminum Body
  • $232.99
    Order Today Ships 09/02/14

    778-67216
    750 CFM High Performance Carburetor Main Body
  • Mechanical Secondary Design
  • Alcohol
  • Down-Leg Boosters
  • Aluminum Body
  • $232.99
    Order Today Ships 09/02/14

    778-67107C
    850 CFM High Performance Carburetor Main Body
  • Mechanical Secondary Design
  • Gasoline
  • Down-Leg Boosters
  • Aluminum Body
  • Requires 1-3/4'' Bore Throttle Plate
  • $199.99
    Ships

    778-67108C
    950 CFM High Performance Carburetor Main Body
  • Mechanical Secondary Design
  • Gasoline
  • Down-Leg Boosters
  • Aluminum Body
  • Requires 1-3/4'' Bore Throttle Plate
  • $212.99
    Ships

    778-67109C
    1050 CFM High Performance Carburetor Main Body
  • Mechanical Secondary Design
  • Gasoline
  • Down-Leg Boosters
  • Aluminum Body
  • Requires 1-3/4'' Bore Throttle Plate
  • Fits 4150-series only
  • $239.99
    Ships

    778-67218
    1050 CFM High Performance Carburetor Main Body
  • Mechanical Secondary Design
  • Gasoline
  • Annular Boosters
  • Aluminum Body
  • Requires 1-3/4'' Bore Throttle Plate
  • Fits 4150-series only
  • $262.99
    Ships

    11 Products