Gates FleetRunner Belt Tensioner - 38630 Part #: 38630 Line: GAT Gates FleetRunner Belt Tensioner 1 Year Limited Warranty Contact Surface: Grooved Material: Steel Number Of Pulleys: 1 Pulley Outside Diameter (mm): 72mm Pulley Width (mm): 33mm Belt Type: Serpentine Pulley Width (in): 1-5/16 Inch Pulley Outside Diameter (in): 2-7/8 Inch Number Of Mounting Holes: 1 Number Of Pulley Grooves: 8 Pulley Inside Diameter (mm): 30mm Show More Show Less