Melling Chain Tensioner - BT7012 Part #: BT7012 Line: MEL Melling Chain Tensioner 1 Year Limited Warranty Height (in): 5.700 Inch Height (mm): 144.79mm Length (in): 5 Inch Length (mm): 127mm Width (in): 0.918 Inch Width (mm): 23.32mm Adjustable: Yes Bracket Included: Yes Bolts Included: No Mounting Hole Diameter (in): 0.355 Inch Housing Material: Nylon Instructions Included: No Spring Included: Yes Number Of Mounting Holes: 3 Gasket Or Seal Included: No Number Of Rows: 1 Shoe Included: Yes Mounting Hole Diameter (mm): 9mm Activation Style: Manual Tensioner Actuation Type: Mechanical Show More Show Less