- Premium compression ring for ultimate ring seal
- Napier second ring, taper face with underhook improves oil control
- 3mm Oil ring design for higher tension and enhanced oil control
- Armor X piston coating for reduced wear
- ArmorGlide skirt coating for reduced friction, quieter operation and improved scuff resistance
- Work with OEM and Screamin’ Eagle heads
- Higher 11:1 compression for added performance
Harley-Davidson
2018 – FLHCS Softail Heritage Classic
2018 – FXFBS Softail Fat Bob
2018 – FXBRS Softail Breakout
2018 – FLFBS Softail Fat Boy
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