RBS stocks seasoned steel gears for roots blowers. Gears fit 4-71 thru 16-71 superchargers. These are for .984" rotor shafts that have the dead spline on them. The drive gear has the standard six bolt 5/16-24" bolt pattern with the 1.250" register on the gears.
These gears are used and have been inspected cleaned and ready to run on your supercharger.
NOTE THE BUYER MUST HAVE THE ABILITY TO TIME THESE GEARS WHEN INSTALLING ON THERE BLOWER. CURRENTLY WE ONY HAVE 8V-71 GEARS IN STOCK. BUYER SHOULD BY PART NUMBER #420-0016 TO GO WITH THE GEAR SO ROTOR COUPLER WILL REGISTER ON GEAR.