Bore: 81.01mm Length: 69.8 mm Compression Height: 45.75 mm Pin Length: 66 mm Pin Diameter: 26 mm Recess Depth 1: 16.6 mm Recess Diameter: 46 mm Valve Pocket Depth 1: 1.3 mm Valve Pocket Depth 2: 1.3 mm Machined: with cut-out for oil jet Surface: Coated Supplementary Article/Info 2: with piston ring carrier, with cooling duct Top Land Height: 12 mm Production Number: 81 L 98 Piston Clearance: 0.05 mm Piston rings: 2.50x2.00x3.00mm