Pistons, Pins and Rings

Piston Diameter (Std.) 3.173
Piston Clearance 0.0008-0.0016
Piston Ring End Gap (Minimum)
Compression
Top 0.0118-0.0177
2nd 0.0079-0.0217
Oil 0.0079-0.0276
Piston Ring Side Clearance
Compression
Top 0.0018-0.0033
2nd 0.0008-0.0024

All measurements given in inches, unless otherwise specified.