Melling Chain Tensioner - BT5101 Part #: BT5101 Line: MEL Melling Chain Tensioner 1 Year Limited Warranty Height (in): 1.063 Inch Height (mm): 27mm Length (in): 2.900 Inch Length (mm): 73.66mm Width (in): 0.779 Inch Width (mm): 19.79mm Adjustable: Yes Bracket Included: Yes Bolts Included: No Mounting Hole Diameter (in): 0.250 Inch Housing Material: Nylon Instructions Included: No Spring Included: Yes Piston Material: Aluminum Number Of Mounting Holes: 2 Gasket Or Seal Included: No Number Of Rows: 1 Shoe Included: Yes Mounting Hole Diameter (mm): 6.35mm Tensioner Actuation Type: Hydraulic Show More Show Less