Melling Chain Tensioner - BT5066 Part #: BT5066 Line: MEL Melling Chain Tensioner 1 Year Limited Warranty Height (in): 1.248 Inch Height (mm): 31.7mm Length (in): 1.992 Inch Length (mm): 50.6mm Width (in): 1.750 Inch Width (mm): 44.45mm Adjustable: Yes Bracket Included: Yes Bolts Included: No Mounting Hole Diameter (in): 0.250 Inch Housing Material: Steel 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): 6.35mm Tensioner Actuation Type: Hydraulic Show More Show Less