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Pistons, Piston Pins & Piston Rings Specifications Audi A6 C4

Mechanical

Application				In. (mm)
Piston Diameter
Standard				3.247 (82.48)
First Oversize				3.257 (82.74)
Second Oversize				3.267 (82.98)
Rings
End Gap
No. 1				.014-.020 (.35-.50)
Service Limit				.040 (1.0)
No. 2				.020-.028 (.50-.70)
Service Limit				.060 (1.4)
No. 3				.010-.020 (.25-.50)
Service Limit				.030 (0.8)
Side Clearance
Standard				.0008-.0031 (.020-.080)
Service Limit				.004 (.10)

PISTONS, PINS & RINGS