Vacuum Pump Pulley
Idler Pulley for Vacuum Pump

Serpentine Idler Pulley with Gilmer Vacuum Pump Pulley

Works With T100 Idler Bracket for LSX Engines
Part # TP100A
In stock - Usually ships in 1-2 Business Days
$110.00 ea
Features: 14 Tooth Gilmer Pulley for driving Vacuum Pump via 6 Rib Idler Pulley. For use with LSX engines with the GZ Motorsports Sportsman and Pro Vacuum Pumps.

Drive your Vacuum Pump from your Regular Serpentine Belt

This 6-Rib 6061 T6 Aluminum Gilmer Belt Drive Pulley are designed for a 1/2 Wide Gilmer Belt to drive a Vacuum Pump fitted with a Gilmer Pulley. This Pulley is designed for use with our T100 Bracket which is a manual adjustment bracket, it also will work with the stock spring loaded mount.

Works on all LSX motors such as the Y Body Corvette, Gen 4 F Body Camaro, Pontiac GTO & G8, C & K Body LS Trucks, CTS-V Cadillac and Z Body Gen 5 2010 & Up Camaros.


All Gilmer Pump Pulleys are designed to be used with a 1/2" belt.

  • 6061 T6 Aluminum
  • For 6-Rib Serpentine Belt Drive
  • Mounts on T100 Bracket
  • 14 Tooth is Gilmer Pulley

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 Teeth/Vacuum Pump Pulley Teeth

Enter Engine RPM:  
Crank Pulley Teeth:  

Vacuum Pump Pulley Teeth  
Pulley Ratio %:  
Vacuum Pump Shaft RPM: