Melling Chain Tensioner - BT17 Part #: BT17 Line: MEL Melling Chain Tensioner 1 Year Limited Warranty Height (in): 1.190 Inch Height (mm): 30.23mm Length (in): 4.025 Inch Length (mm): 102.22mm Width (in): 1.130 Inch Width (mm): 24.1mm Adjustable: Yes Bracket Included: Yes Bolts Included: No Mounting Hole Diameter (in): 0.260 Inch Housing Material: Aluminum Instructions Included: No Spring Included: Yes Piston Material: Plastic Number Of Mounting Holes: 1 Gasket Or Seal Included: No Shoe Included: No Mounting Hole Diameter (mm): 6.6mm Tensioner Actuation Type: Hydraulic Show More Show Less