Piston Kit — 4.122 in, 11.0:1, 117 ci

WISECO Piston Kit — 4.122 in, 11.0:1, 117 ci – 18-20 CVO

WISECO
0903-1553
K2799

High-performance piston kit designed for durable, quiet operation. Includes two pistons, rings, wrist pins and circlips; fits OEM and Screamin’ Eagle heads.

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High-performance piston kit engineered for extreme conditions and long life. 🔩🔥

  • Advanced piston coating provides superior protection and reduced wear.
  • Adaptive skirt coating auto-adjusts to the cylinder wall for smooth, quiet, trouble-free operation.
  • Dome combustion design improves flame travel for more complete air/fuel burn.
  • High-compression design delivers added power while maintaining durability.
  • Superfinish piston pin and enhanced pin oiling reduce friction and improve scuff resistance.
  • Precision ring land details and dedicated ring sets improve seal, compression and oil control.

Kit includes two pistons, matching ring sets, wrist pins and circlips; flat-top pistons provide extra combustion volume.

Made in the USA; fits OEM and Screamin’ Eagle cylinder heads. 🛠️🇺🇸

: 0903-1553
In Stock

Data sheet

Units
Kit
Brand
WISECO
Skirt Coating
ArmorFit™
Piston Material
Forged 2618 Aluminum
Bore Size
4,125"
Displacement
117 CI
Piston Diameter
4,122"
4.122"
Stroke Length
4,375"
Compression Ratio
11.0:1
Harley Family
CVO

This product fits the following vehicles. Use the filters below to narrow down the list if needed.

Manufacturer Model Family Year Notes
Harley Davidson Ultra Limited CVO 117 CVO 2018
Harley Davidson Ultra Limited CVO 117 CVO 2019
Harley Davidson Street Glide CVO 117 CVO 2018
Harley Davidson Street Glide CVO 117 CVO 2019
Harley Davidson Road Glide CVO 117 CVO 2018
Harley Davidson Road Glide CVO 117 CVO 2019
Harley Davidson Road Glide CVO 117 CVO 2020