Impreza 2.5 RS Sedan AWD F4-2.5L SOHC (2002)
Piston Pin: Specifications
Piston pin
Outer diameter
22.994 - 23.000 mm
Standard clearance between piston pin and hole in piston
0.004 - 0.008 mm
Degree of fit
Piston pin must be fitted into position with thumb at 20 deg C