Piston Kit — 4.077" piston diameter, 4.375" stroke, 11.0:1 compression, Black Edition

WISECO Piston Kit — 4.077" piston diameter, 4.375" stroke, 11.0:1 compression, Black Edition – 18-19 Softail, 17 CVO

WISECO
0903-1552
K2785
Complete piston kit with protective piston coating, self-adjusting skirt for smooth operation, dome design for improved combustion, enhanced pin oiling, and dedicated rings. Includes two pistons, rings, pins and circlips; fits OEM and Screamin’ Eagle heads. Made in USA.
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€426.90
€558.09
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Upgrade durability and performance with this complete piston kit designed for demanding use. 🔧

  • Piston coating delivers superior protection and reduced wear in extreme conditions.
  • Self-adjusting skirt coating ensures smooth, quiet operation without the need to measure clearance.
  • Dome-shaped pistons improve flame travel for more complete air/fuel burn and better efficiency.
  • High-compression profile provides added power for aggressive riding.
  • Superfinish piston pins and enhanced pin oiling reduce friction and improve scuff resistance.
  • Augmented ring land details and dedicated ring sets improve seal, compression and oil control.
  • Complete kit includes two pistons, rings, piston pins and circlips, and fits OEM and Screamin’ Eagle cylinder heads.
  • Made in the USA 🇺🇸
: 0903-1552
In Stock

Data sheet

Units
Kit
Brand
WISECO
Skirt Coating
ArmorFit™
Piston Material
Forged 2618 Aluminum
Bore Size
4,080"
Displacement
114 CI
Piston Diameter
4,077"
4.077"
Stroke Length
4,375"
Compression Ratio
11.0:1
Harley Family
CVO
Softail

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

Manufacturer Model Family Year Notes
Harley Davidson Softail Fat Boy Anniversary (ANX) 114 Softail 2018
Harley Davidson Softail Fat Boy 114 Softail 2019
Harley Davidson Softail Heritage Classic Anniversary 114 Softail 2018
Harley Davidson Softail Heritage Classic 114 Softail 2019
Harley Davidson Electra Glide Ultra Limited CVO 114 CVO 2017
Harley Davidson Street Glide CVO 114 CVO 2017
Harley Davidson Softail Breakout Anniversary (ANX) 114 Softail 2018
Harley Davidson Softail Breakout 114 Softail 2019
Harley Davidson Softail King 114 Softail 2019
Harley Davidson Softail Fat Bob 114 Softail 2018
Harley Davidson Softail Fat Bob 114 Softail 2019