Melling Chain Tensioner - BT5537 Part #: BT5537 Line: MEL Melling Chain Tensioner 1 Year Limited Warranty Height (in): 1.181 Inch Height (mm): 30mm Length (in): 2.841 Inch Length (mm): 72.17mm Width (in): 1.044 Inch Width (mm): 26.52mm Adjustable: Yes Bracket Included: Yes Bolts Included: Yes Mounting Hole Diameter (in): 0.315 Inch Housing Material: Cast Iron Instructions Included: No Spring Included: Yes Piston Material: Steel Number Of Mounting Holes: 2 Gasket Or Seal Included: Yes Number Of Rows: 1 Shoe Included: No Mounting Hole Diameter (mm): 8mm Tensioner Actuation Type: Hydraulic Show More Show Less