Piston, Engine

Piston diameter - coated, grade 1 88.990-89.010 mm (3.5035-3.5043 in)
Piston diameter - coated, grade 2 88.998-89.022 mm (3.5039-3.5048 in)
Piston diameter - coated, grade 3 89.010-89.030 mm (3.5043-3.5051 in)
Piston diameter - uncoated, grade 1 88.970-88.980 mm (3.5027-3.5031 in)
Piston diameter - uncoated, grade 2 88.978-88.992 mm (3.5030-3.5036 in)
Piston diameter - uncoated, grade 3 88.990-89.000 mm (3.5035-3.5039 in)
Piston-to-cylinder bore clearance - uncoated 0.018 to 0.042 mm (0.0007-0.0016 in)