Piston, Engine

Piston diameter - grade 1 (at right angle to pin bore) (uncoated) 90.182 - 90.167 mm
(3.5504 - 3.5499 inch)
Piston diameter - grade 2 (at right angle to pin bore) (uncoated) 90.196 - 90.179 mm
(3.551 - 3.5503 inch)
Piston diameter - grade 3 (at right angle to pin bore) (uncoated) 90.208 - 90.193 mm
(3.5515 - 3.551 inch)
Piston-to-cylinder bore clearance (at grade size) 0.017 - 0.047 mm (0.0007 - 0.0019 inch)
Piston ring groove width * top 1.52 - 1.54 mm (0.0598 - 0.0606 inch)
Piston ring groove width * intermediate 1.52 - 1.54 mm (0.0598 - 0.0606 inch)
Piston ring groove width * oil control 3.030 - 3.056 mm (0.1193 - 0.1203 inch)