Piston, Engine

Piston
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) 0.017-0.04.7 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)
Piston pin bore diameter 22.0125-22.0175 mm (0.8666-0.8668 inch)