Gates DriveAlign Belt Tensioner - 39516 Part #: 39516 Line: GAT Gates DriveAlign Belt Tensioner Limited Lifetime Warranty Contact Surface: Smooth Backside Flanged: No Material: Steel Number Of Pulleys: 1 Pulley Outside Diameter (mm): 65mm Pulley Width (mm): 28mm Belt Type: Serpentine Pulley Width (in): 1-1/8 Inch Pulley Outside Diameter (in): 2-9/16 Inch Number Of Mounting Holes: 2 Number Of Pulley Grooves: 0 Pulley Inside Diameter (mm): 17mm Show More Show Less