Melling Chain Tensioner - BT5174 Part #: BT5174 Line: MEL Melling Chain Tensioner 1 Year Limited Warranty Height (in): 0.885 Inch Height (mm): 22.48mm Length (in): 3.775 Inch Length (mm): 95.87mm Width (in): 0.885 Inch Width (mm): 22.48mm Adjustable: Yes Bracket Included: Yes Bolts Included: Yes Mounting Hole Diameter (in): 0.315 Inch Housing Material: Steel Instructions Included: No Spring Included: Yes Number Of Mounting Holes: 2 Gasket Or Seal Included: No Number Of Rows: 2 Shoe Included: Yes Mounting Hole Diameter (mm): 8mm Activation Style: Manual Tensioner Actuation Type: Mechanical Show More Show Less