Made in USA
Street Series Mechanical Secondary Carburetor 650 cfm with Electric Choke
Product Discontinued
PROFORMPART NUMBER: 778-67212

Street Series Mechanical Secondary Carburetor 650 cfm with Electric Choke

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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Mechanical Secondary Carburetors
    Street Series Mechanical Secondary Carburetor
  • 650 cfm
  • Electric Choke
  • Billet Metering Blocks & Throttle Plate

  • Lightweight Aluminum Construction
  • Changeable Idle Air Bleeds
  • Billet Metering Blocks
  • Billet Base Plates
  • Serviceable Throttle Lever
  • Notched Secondary Floats
  • Secondary Jet Extensions

Based on the wildly successful Race Series carburetors the new Proform street carburetors are constructed of lightweight aluminum. They feature changeable idle air bleeds for easy non-permanent calibration changes if needed. This means you can keep your drills in your tool box because fine tuning is accomplished by simply changing air bleeds not opening calibration restrictions with a drill bit. These carbs are affordable high-performance street carbs assembled by hand in the USA with the following quality components:

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Main Body

  • Aluminum
  • Black Diamond Coating reduces fuel temperature up to 6% (black series).
  • CNC'd flat surfaces
  • High-flow center section design
  • Center-hung floats
  • Changeable screw-in idle air and high-speed bleeds
  • High-performance down leg boosters (except 600 & 650 cfm)
  • Electric choke
  • Choke tower

    Metering Blocks
  • Billet aluminum
  • No warping or porosity problems
  • Changeable idle feed restrictors
  • Nonstick gaskets
  • 4-corner idle system & secondary jet extensions on mechanical secondary models

    Throttle Baseplate
  • Bright anodized billet aluminum
  • Easy-to-access secondary idle airflow adjustment
  • Torx throttle plate screws
  • Power valve blowout protection
  • Slip link linkage on mechanical secondary models
  • Adjustable secondary housing on vacuum secondary models

    Fuel Bowls
  • Die-cast aluminum
  • Fuel level sight glass window
  • Externally adjustable needle & seat
  • Dual feed fuel inlet
  • Notched secondary floats

    JEGS Easy Kits are designed by JEGS professionals so you get all the parts you need.
Part TypeCarburetor
Product LineProform Street Series Carburetors
BrandPROFORM
Package Height7.5
Package Width11.5
Package Length13.3
Weight9.43 PG
Part CategoryPerformance Parts
UsageStreet/Hi-Performance
FlangeSquare Bore
ChokeElectrical
EmissionWithout EGR
QuantitySold individually
BarrelFour
Cfm650
CalibrationUniversal
Emissions49 State Legal
EgrWithout EGR
TypeAutomotive
Throttle LinkageUniversal
New Or RemanufacturedNew
Ford KickdownNo
Carburetor FlangeSquare bore
FuelGasoline
Booster TypeDown-leg
Secondary TypeMechanical
Flange StyleSquare Bore
Part FitmentUniversal
FinishDichromate
Vendor Part Number67212
Package Qty1
Package TypeEA
No Questions
No Reviews

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