Melling Chain Tensioner - BT5512 Part #: BT5512 Line: MEL Melling Chain Tensioner 1 Year Limited Warranty Height (in): 0.870 Inch Height (mm): 22mm Length (in): 1.083 Inch Length (mm): 27.53mm Width (in): 0.961 Inch Width (mm): 24.41mm Adjustable: Yes Bracket Included: Yes Bolts Included: No Mounting Hole Diameter (in): 0.336 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): 8.53mm Tensioner Actuation Type: Hydraulic Show More Show Less