Melling Chain Tensioner - BT5079 Part #: BT5079 Line: MEL Melling Chain Tensioner 1 Year Limited Warranty Height (in): 0.862 Inch Height (mm): 21.88mm Length (in): 2.135 Inch Length (mm): 54.23mm Width (in): 1.675 Inch Width (mm): 42.55mm Adjustable: Yes Bracket Included: No Bolts Included: No Mounting Hole Diameter (in): 0.250 Inch Housing Material: Cast Iron 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: No Mounting Hole Diameter (mm): 6.35mm Tensioner Actuation Type: Hydraulic Show More Show Less