Engine Carburetor Upgrade Series Model 600 CFM Mechanical Secondaries Type Proform Engine Connecting Rod Bolt Stretch Gauge Tool Fine tuning is accomplished by

Fine tuning is accomplished by simply changing air bleeds not opening calibration restrictions with a drill bit

100 Inch Valve Springs

These Slant-Edge valve covers are Tall

090 Inch Bore Range

Engine Carburetor Upgrade Series Model 600 CFM Mechanical Secondaries Type Proform Engine Connecting Rod Bolt Stretch Gauge Tool Fine tuning is accomplished byPROFORMs new 100 percent Aluminum Street Series Upgrade Carburetor is hand assembled in the U. S. The PROFORM Street Upgrade Carb Includes: Based on the wildly successful Billet Aluminum Street Series carburetors these Upgrade Series street carburetors are constructed of lightweight aluminum including changeable idle air bleeds for easy non permanent calibration changes if needed. Keep your drills in your tool box; fine tuning is accomplished by