Piston: Specifications

Piston diameter-class 184.781 - 84.799 mm (3.337828 - 3.338537 inch)
Piston diameter-class 285.276 - 85.294 mm (3.357316 - 3.3358025 inch)
Piston-to-cylinder bore clearance 0.010 - 0.030 mm (0.0003937 - 0.0011811 inch)
Piston ring groove width-upper compression ring 1.484 mm (0.05845 inch)
Piston ring groove width-lower compression ring 1.734 mm (0.0682675 inch)
Piston ring groove width-oil control ring 2.905 mm (1.1143698 inch)
Piston ring width-upper and lower compression ring 0.30 - 0.50 mm (0.011811 - 0.019685 inch)
Piston ring width-oil control ring 0.40 - 1.40 mm (0.015748 - 0.055118 inch)