Piston, Engine

DIMENSIONS
Skirt Diameter (Standard)(a)(b) 104.31525-104.33305 mm (4.10689-4.10759 inch)
Piston To Bore Clearance (Selective Fit) See note (c) below
Piston Pin Bore Diameter 33.2359 ± 0.0254 mm (1.3085 ± 0.001 inch)
Piston Height Above Crankcase 0.010-0.031 inch)
Available Oversize Pistons(d)
Stamped 0.010 inch 104.5782 mm (4.11725 inch)
Stamped 0.020 inch 104.8385 mm (4.12725 inch)
Stamped 0.030 inch 105.08615 mm (4.13725 inch)

(a) Measured at 90° to the pin, at 42.77 mm (1.684 inch) below the oil ring groove at room temperature.
(b) Service piston is 4.10475 inch ± 0.00025 inch.
(c) Clearance in cylinder bores: 0.0508-0.0889 mm (0.0020-0.0035 inch).
(d) oversize service piston specifications are all ± 0.0064 mm (0.00025 inch)

TORQUE SPECIFICATIONS
Piston Cooling Tube Bolt 11 Nm (8 ft. lbs.)