Proform -  Street Series Mechanical Secondary Carburetor 650 cfm in Black Diamond Finish with Electric Choke (778-67312)

Proform - Street Series Mechanical Secondary Carburetor 650 cfm in Black Diamond Finish with Electric Choke (778-67312)

Vendor: Proform

Available: In stock

SKU: Proform-778-67312

$497.99

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...
 
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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:


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 

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


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