Melling Chain Tensioner - BT345 Part #: BT345 Line: MEL Melling Chain Tensioner 1 Year Limited Warranty Height (in): 1.063 Inch Height (mm): 27mm Length (in): 4.735 Inch Length (mm): 120.27mm Width (in): 0.846 Inch Width (mm): 21.49mm Adjustable: Yes Bracket Included: Yes Bolts Included: No Mounting Hole Diameter (in): 0.270 Inch Housing Material: Nylon Instructions Included: No Spring Included: Yes Piston Material: Steel Number Of Mounting Holes: 2 Gasket Or Seal Included: No Number Of Rows: 1 Shoe Included: Yes Mounting Hole Diameter (mm): 6.85mm Activation Style: Manual Tensioner Actuation Type: Mechanical Show More Show Less