Melling Chain Tensioner Guide - BT417 Part #: BT417 Line: MEL Melling Chain Tensioner Guide 1 Year Limited Warranty Material: Nylon Height (in): 1.850 Inch Height (mm): 47mm Length (in): 10.750 Inch Length (mm): 273mm Width (in): 0.920 Inch Width (mm): 23mm Adjustable: Yes Bracket Included: Yes Mounting Hole Diameter (in): 0.310 Inch Spring Included: No Number Of Mounting Holes: 1 Shoe Included: Yes Mounting Hole Diameter (mm): 7mm Show More Show Less