Melling Chain Tensioner - BT68 Part #: BT68 Line: MEL Melling Chain Tensioner 1 Year Limited Warranty Height (in): 0.353 Inch Height (mm): 8.97mm Length (in): 6.250 Inch Length (mm): 158.75mm Width (in): 0.353 Inch Width (mm): 8.97mm Adjustable: Yes Bracket Included: No Bolts Included: Yes Housing Material: Cast Iron Instructions Included: No Spring Included: Yes Piston Material: Steel Number Of Mounting Holes: 0 Gasket Or Seal Included: No Number Of Rows: 1 Shoe Included: No Tensioner Actuation Type: Hydraulic Show More Show Less