Operation CHARM: Car repair manuals for everyone.

Piston

Diameter-coded red 3.9987 - 3.9993 Inch (in)
Diameter-coded blue 3.9999 - 4.0005 Inch (in)
Diameter-coded yellow 4.0011 - 4.0017 Inch (in)
Bore clearance selective fit 0.0012 - 0.0020 Inch (in)
Pin bore diameter 0.9126 - 0.9128 Inch (in)
Top ring grove width 0.060 - 0.061 Inch (in)
Bottom ring grove width 0.060 - 0.061 Inch (in)
Oil ring grove width 0.1587 - 0.1597 Inch (in)