Piston, Engine

Piston diameter-grade 1 (at right angle to pin bore) 90.175 - 90.165 mm (3.5502 - 3.5498 inch)
Piston diameter-grade 2 (at right angle to pin bore) 90.185 - 90.175 mm (3.5506 - 3.5502 inch)
Piston diameter-grade 3 (at right angle to pin bore) 90.195 - 90.185 mm (3.5510 - 3.5506 inch)
Piston-to-cylinder bore clearance (at grade size) 0.025 - 0.045 mm (0.0010 - 0.0018 inch)