Autotecnica Belt Tensioner - GM1413170 Part #: GM1413170 Line: AUT Autotecnica Belt Tensioner Limited Lifetime Warranty Contact Surface: Grooved Flanged: Yes Material: Polypropylene Number Of Pulleys: 1 Pulley Outside Diameter (mm): 70mm Pulley Width (mm): 28mm Belt Type: V-Belt Pulley Width (in): 1-1/8 Inch Pulley Outside Diameter (in): 2-3/4 Inch Number Of Mounting Holes: 0 Number Of Pulley Grooves: 6 Pulley Inside Diameter (in): 0.670 Inch Pulley Inside Diameter (mm): 17mm Show More Show Less