Melling Chain Tensioner - BT245 Part #: BT245 Line: MEL Melling Chain Tensioner 1 Year Limited Warranty Height (in): 1.800 Inch Height (mm): 45.72mm Length (in): 3.156 Inch Length (mm): 80.18mm Width (in): 2.846 Inch Width (mm): 72.29mm Adjustable: Yes Bracket Included: Yes Bolts Included: No Mounting Hole Diameter (in): 0.270 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): 7mm Tensioner Actuation Type: Hydraulic Show More Show Less