Lightweight Vacuum Pump Pulleys
Vacuum Pump V Belt Pulleys
These 6061 T6 V Belt Pulleys are designed to be used with any GZ Motorsports Vacuum Pump, and they will also work on Moroso Vacuum Pumps as well, including other pumps such as OEM Air Pumps.
Pulley Ratio & RPM Calculator
GZ Motorsports Vacuum Pumps should avoid shaft RPM's in excess of 6000 RPM Pump Speed (not engine speed). The Formula used is Vacuum Pump RPM = Engine RPM x Crank Pulley OD/Vacuum Pump Pulley OD