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Piston replacement kit for 3-5/8" 88" Evolution Big Bore Kit only
- Piston kit is standard sized
- Moly coating helps reduce friction and wear
- This kit has rings for use with 4-5/8" stroker flywheels and has a 9.75:1 compression
- Fits Evolution motors and includes wrist pins, lock tabs
- Features a 3.625" bore size
- Fits:
- Softail 1984-1999
- Touring 1984-1998
- Dyna 1991-1998
- FXR 1984-1994