Piston, Engine

Weight (Less Pin) 563 to 567 grams (19.86 to 20.00 oz.)
Piston Pin Bore (Centerline to Piston Top)
40.61 to 40.72 mm (1.599 to 1.6023 inch)
Piston-to-Bore Clearance
0.033 to 0.053 mm (0.0013 to 0.0021 inch)
Piston-to-Bore Clearance (preferred)
0.033 to 0.038 mm (0.0013 to 0.0015 inch)
Ring Gap Clearance-Top Compression Ring
0.229 to 0.610 mm (0.0090 to 0.0240 inch)
Ring Gap Clearance-2nd Compression Ring
0.483 to 0.965 mm (0.0190 to 0.0380 inch)
Ring Gap Clearance-Oil Control Steel Rails
0.254 to 1.500 mm (0.010 to 0.060 inch)
Ring Side Clearance-Compression Rings
0.042 to 0.084 mm (0.0017 to 0.0033 inch)
Ring Side Clearance-Oil Control Ring
0.06 to 0.21 mm (0.0024 to 0.0083 inch)
Piston Ring Groove Height-Compression Rings
1.530 to 1.555 mm (0.0602 to 0.0612 inch)
Piston Ring Groove Height-Oil Control Ring
4.035 to 4.060 mm (0.1589 to 0.1598 inch)
Piston Ring Groove Diameter-Compression Rings
87.78 to 87.90 mm (3.456 to 3.461 inch)
Piston Ring Groove Diameter-Oil Control Ring
87.50 to 87.75 mm (3.445 to 3.455 inch)
Piston Pin Bore Diameter
23.647 to 23.655 mm (0.9310 to 0.9313 inch)
Piston Pin Diameter
23.637 to 23.640 mm (0.9306 to 0.0307 inch)
Piston-to-Pin Clearance
0.0076 to 0.0178 mm (0.0003 to 0.0007 inch)
Piston-to-Pin Clearance (preferred)
0.015 mm - Loose (0.0006 inch - loose)
Piston-to-Pin Connecting Rod (Press Fit)
9.8 Km (2000 lbs.)