Melling Chain Tensioner - BT506 Part #: BT506 Line: MEL Melling Chain Tensioner 1 Year Limited Warranty Height (in): 3.175 Inch Height (mm): 80.66mm Length (in): 3.370 Inch Length (mm): 85.6mm Width (in): 1.500 Inch Width (mm): 38.1mm Adjustable: Yes Bracket Included: Yes Bolts Included: No Housing Material: Stainless Steel Instructions Included: Yes Spring Included: Yes Piston Material: Steel Number Of Mounting Holes: 0 Gasket Or Seal Included: Yes Shoe Included: No Tensioner Actuation Type: Hydraulic Show More Show Less