Product Description
Black edition piston kit from Wiseco for the Harley M8.
Fits: 2017-2021 M-Eight Models (107")
- Feature ArmorX™ piston coating for superior protection in extreme conditions and reduced wear
- ArmorFit™ skirt coating auto-adjusts to the cylinder wall so there's no need to measure clearance; provides smooth, quiet, trouble-free operation
- Dome design for improved flame travel to maximize air/fuel burn efficiency
- High compression (11:1) for added power
- Superfinish piston pin reduces friction and improves scuff resistance
- Enhanced pin oiling for improved lubrication and reduced friction
- Augmented ring land details improve ring seal and function
- Dedicated rings for precise fit, improved compression and oil control
- Fit OEM and Screamin' Eagle cylinder heads
- Kit includes two pistons, rings, piston pins and circlips
- Made in the U.S.A.
Additional Information
| 3.937 | 0903-1551 |
| 4.080 | 0903-1552 |
| 4.125 | 0903-1553 |
| 4.250 | 0903-1554 |