Proform's street carburetors are constructed of light weight aluminum, and feature changeable idle air bleeds for easy non-permanent calibration changes if needed. Keep your drills in your tool box; fine tuning is accomplished by simply changing air bleeds not opening calibration restrictions with a drill bit.
Die-cast aluminum fuel bowls
Fuel level sight glass windows
Changeable idle air bleeds
Billet metering blocks
Changeable idle feed restrictors
Billet base plates
Serviceable throttle lever
Easy access secondary idle air flow
Enhanced look with bright anodizing
Changeable high speed bleeds
Notched secondary floats
Secondary jet extensions
Carb specs can be found in document tab above.