Wiseco Black Edition Big Bore Piston Kit for Harley Milwaukee Eight

In stock
SKU: DS09031551
Regular price $413.38
Regular price -21% $523.52 Sale price $413.38

The Wiseco Black Edition Piston Series represents the pinnacle of performance and protection for Milwaukee-Eight engines. Engineered to withstand extreme conditions, these kits provide a significant boost in power and reliability for your high-performance motorcycle.

Each kit features the innovative ArmorXâ„¢ piston coating, designed to provide superior protection and dramatically reduce wear in high-stress environments. Complementing this is the ArmorFitâ„¢ skirt coating, which auto-adjusts to the cylinder wall to eliminate the need for manual clearance measurements, ensuring smooth, quiet, and trouble-free operation from the first start.

  • High compression design for increased power and performance
  • ArmorXâ„¢ piston coating for superior protection in extreme conditions
  • ArmorFitâ„¢ skirt coating auto-adjusts to cylinder walls for a precision fit
  • Dome design engineered for improved flame travel to maximize air/fuel burn efficiency
  • Tool Steel Superfinish piston pins reduce friction and improve scuff resistance
  • Enhanced pin oiling for improved lubrication and reduced friction
  • Augmented ring land details for improved ring seal and function
  • Dedicated rings for precise fit, improved compression, and superior oil control
  • Compatible with OEM and Screamin’ Eagle cylinder heads
  • Kit includes two pistons, rings, piston pins, and circlips
  • Made in the U.S.A

These pistons are designed to maximize the potential of your engine while maintaining the durability required for long-distance touring and aggressive riding. Please note that gasket kits are sold separately. Whether you are upgrading your daily rider or building a high-performance machine, the Wiseco Black Edition provides the strength and precision needed for the next generation of power.

  • 2017-2019 Harley-Davison 107 Milwaukee Eight

Product Title Store SKU MFR Part #
17-25 M8 107" 4.375" Stroke / 3.937" - 107 cu in / Positive Dome + 4.2cc DS09031551 K2784
17-25 M8 107" 4.375" Stroke / 4.080" -114 cu in / Positive Dome -2cc 11.1 Compression DS09031552 K2785
17-25 M8 107" 4.375" Stroke / 4.125" -117 cu in / Flat Top 11:1 Compression DS09031553 K2799
17-25 M8 107" 4.375" Stroke / 4.25" -124 cu in / Dished 11:1 Compression DS09031554 K2787
17-25 M8 114" & 117" 4.5" Stroke / 4.016" - 114" / Neg Dome 11.1:1 Compression DS09106943 40250PS, 40251PS, 40252PS, 40253PS
17-25 M8 114" & 117" 4.5" Stroke / 4.016" - 114" / 11:1 Compression DS09031677 K2803
17-25 M8 114" & 117" 4.5" Stroke / 4.075" - 117" / Neg Dome 11.1:1 Compression DS09106944 40250PS, 40251PS, 40252PS, 40253PS
17-25 M8 114" & 117" 4.5" Stroke / 4.075" - 117" / 11:1 Compression DS09031678 K2804
17-25 M8 114" & 117" 4.5" Stroke / 4.080" - 118 cu in / Neg Dome 11.3:1 Compression DS09106945 40250PS, 40251PS, 40252PS, 40253PS
17-25 M8 114" & 117" 4.5" Stroke / 4.080" - 118 cu in / 11.3:1 Compression DS09031679 K2805
17-25 M8 114" & 117" 4.5" Stroke / 4.135" - 121 cu in / Neg Dome 11.3:1 Compression DS09106946 40250PS, 40251PS, 40252PS, 40253PS
17-25 M8 114" & 117" 4.5" Stroke / 4.135" - 121 cu in / 11.3:1 Compression DS09031680 K2806
17-25 M8 CVO 117" 4.5" Stroke / 4.25" -124 cu in / Neg Dome 11.1:1 Compression DS09031676 K2802

Bulk order

Variant Quantity Price Total
Wiseco Black Edition Big Bore Piston Kit for Harley Milwaukee Eight
17-25 M8 CVO 117" 4.5" Stroke / 4.25" -124 cu in / Neg Dome 11.1:1 Compression DS09031676 / K2802
Regular price $524.95
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Regular price $524.95
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