Engine Carburetor Street Series Model 600 CFM Mechanical Secondaries Type Proform Scale Spark Plug Indexing Tool

Spark Plug Indexing Tool

and then rotate the clearly engraved dial to expand the tool to seat the valve

and take another reading with the stretch gauge

Non-SFI Approved

Oil filled gauge for smooth needle motion

Engine Carburetor Street Series Model 600 CFM Mechanical Secondaries Type Proform Scale Spark Plug Indexing ToolPROFORMs new Street Series Carburetors are hand assembled in the U. S. Based on the wildly successful Race Series carburetors the new PROFORM street carburetors. Constructed of light weight aluminum, changeable idle air bleeds for easy non permanent calibration changes if needed. Fine tuning is accomplished by simply changing air bleeds not opening calibration restrictions with a drill bit. Each street carburetor features a billet metering block with