Piston, Engine

RING GAP CLEARANCE
Top Compression Ring 0.229-0.610 mm (0.0090-0.0240 inch)
Second Compression Ring 0.483-0.965 mm (0.0190-0.0380 inch)
Oil Control Steel Rails 0.254-1.500 mm (0.010-0.060 inch)
Compression Rings 1.530-1.555 mm (0.0602-0.0612 inch)
Oil Control Rings 0.06-0.21 mm (0.0024-0.0083 inch)

PISTON RING GROOVE HEIGHT
Compression Rings 1.530-1.555 mm (0.0602-0.0612 inch)
Oil Control Ring 4.035-4.060 mm (0.1589-0.1598 inch)

PISTON RING GROOVE DIAMETER
Compression Rings 88.3-88.55 mm (3.476-3.486 inch)
Oil Control Ring 90.35-90.60 mm (3.557-3.566 inch)

Weight (Less Pin) 563-567 grams (19.86-20.00 oz.)
Piston Pin Bore (Centerline to Piston Top) 40.61-40.72 mm (1.599-1.603 inch)
Piston-to-Bore Clearance 0.033-0.053 mm (0.0013-0.0021 inch)
Piston-to-Bore Clearance (Preferred) 0.033-0.038 mm (0.0013-0.0015 inch)
Piston Pin Bore Diameter 23.647-23.655 mm (0.9310-0.9313 inch)
Piston Pin Diameter 23.647-23.640 mm (0.9306-0.9307 inch)
Piston-to-Pin Clearance 0.0076-0.0178 mm (0.0003-0.0007 inch)
Piston-to-Pin Clearance (Preferred) 0.013 mm (0.0005 inch)
Piston-to-Pin Connecting Rod (Press Fit) 8.9kN (2000 lbs.)