Melling Chain Tensioner - BT405 Part #: BT405 Line: MEL Melling Chain Tensioner 1 Year Limited Warranty Height (in): 2.432 Inch Height (mm): 61.77mm Length (in): 2.074 Inch Length (mm): 52.69mm Width (in): 0.837 Inch Width (mm): 21.26mm Adjustable: Yes Bracket Included: Yes Bolts Included: No Mounting Hole Diameter (in): 0.290 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: Yes Mounting Hole Diameter (mm): 7.37mm Tensioner Actuation Type: Hydraulic Show More Show Less