Melling Chain Tensioner - BT5549 Part #: BT5549 Line: MEL Melling Chain Tensioner 1 Year Limited Warranty Height (in): 1.120 Inch Height (mm): 28.45mm Length (in): 2.500 Inch Length (mm): 63.5mm Width (in): 2.370 Inch Width (mm): 60.2mm Adjustable: Yes Bracket Included: Yes Bolts Included: No Mounting Hole Diameter (in): 0.340 Inch Housing Material: Cast Iron Instructions Included: No Spring Included: Yes Piston Material: Steel Number Of Mounting Holes: 2 Gasket Or Seal Included: No Shoe Included: No Mounting Hole Diameter (mm): 8.64mm Tensioner Actuation Type: Hydraulic Show More Show Less