Piston Kit — 4.247" piston, 11:1 compression, 124 CI

WISECO Piston Kit — 4.247" piston, 11:1 compression, 124 CI – 18-19 Softail, 17-19 Touring, 17-19 Trike, 17-20 CVO

WISECO
0903-1554
K2787
ArmorX™ and ArmorFit™ coatings reduce wear and ensure smooth, quiet operation. Dome design and precision components improve combustion and reliability. Complete kit with pistons, rings, pins, and circlips. Made in the USA.
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€410.87
€537.13
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Features ArmorX™ piston coating for superior protection in extreme conditions and reduced wear. 🛡️

ArmorFit™ skirt coating auto-adjusts to the cylinder wall for smooth, quiet, trouble-free operation. 🔧

Dome design improves flame travel to maximize air/fuel burn efficiency.

Superfinish piston pin and enhanced pin oiling reduce friction and improve scuff resistance.

Augmented ring land details and dedicated rings improve ring seal, compression, and oil control.

Fits OEM and Screamin’ Eagle cylinder heads; kit includes two pistons, rings, piston pins, and circlips. 🇺🇸

Made in the USA.

: 0903-1554
In Stock

Data sheet

Brand
WISECO
Bore Size
4,250"
Compression Ratio
11.0:1
Harley Family
CVO
Softail
Touring
Trike

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 Deluxe 107 Softail 2018
Harley Davidson Softail Deluxe 107 Softail 2019
Harley Davidson Softail Fat Boy 107 Softail 2018
Harley Davidson Softail Fat Boy 107 Softail 2019
Harley Davidson Softail Fat Boy Anniversary (ANX) 114 Softail 2018
Harley Davidson Softail Fat Boy 114 Softail 2019
Harley Davidson Softail Heritage Classic 107 Softail 2018
Harley Davidson Softail Heritage Classic 107 Softail 2019
Harley Davidson Softail Heritage Classic 114 Softail 2018
Harley Davidson Softail Heritage Classic 114 Softail 2019
Harley Davidson Road King 107 Touring 2017
Harley Davidson Road King 107 Touring 2018
Harley Davidson Road King 107 Touring 2019
Harley Davidson Road King 107 Touring 2017
Harley Davidson Road King 107 Touring 2018
Harley Davidson Road King 107 Touring 2019
Harley Davidson Road King Classic 107 Touring 2017
Harley Davidson Road King Classic 107 Touring 2018
Harley Davidson Road King Classic 107 Touring 2019
Harley Davidson Road King Special 107 Touring 2017
Harley Davidson Road King Special 107 Touring 2018
Harley Davidson Road King Special 114 Touring 2019
Harley Davidson Electra Glide Ultra Classic 107 Touring 2017
Harley Davidson Electra Glide Ultra Classic 107 Touring 2018
Harley Davidson Electra Glide Ultra Classic 107 Touring 2019
Harley Davidson Trike Tri Glide Ultra Classic 107 Trike 2017
Harley Davidson Tri Glide Ultra Anniversary 107 Trike 2018
Harley Davidson Tri Glide Ultra 107 Trike 2019
Harley Davidson Electra Glide Ultra Limited 107 Touring 2017
Harley Davidson Ultra Limited Shrine Edition 107 Touring 2018
Harley Davidson Ultra Limited Shrine Edition 114 Touring 2019
Harley Davidson Electra Glide Ultra Limited Low 107 Touring 2017
Harley Davidson Ultra Limited Low 107 Touring 2018
Harley Davidson Ultra Limited Low 114 Touring 2019
Harley Davidson Electra Glide Ultra Limited CVO 114 CVO 2017
Harley Davidson Ultra Limited CVO 117 CVO 2018
Harley Davidson Ultra Limited CVO 117 CVO 2019
Harley Davidson Street Glide 107 Touring 2017
Harley Davidson Street Glide 107 Touring 2018
Harley Davidson Street Glide 107 Touring 2019
Harley Davidson Street Glide 107 Touring 2017
Harley Davidson Street Glide Anniversary 107 Touring 2018
Harley Davidson Street Glide 107 Touring 2019
Harley Davidson Street Glide Special 107 Touring 2017
Harley Davidson Street Glide Special Anniversary 107 Touring 2018
Harley Davidson Street Glide Special 114 Touring 2019
Harley Davidson Street Glide CVO 114 CVO 2017
Harley Davidson Street Glide CVO 117 CVO 2018
Harley Davidson Street Glide CVO 117 CVO 2019
Harley Davidson Freewheeler 107 Trike 2017
Harley Davidson Freewheeler 107 Trike 2018
Harley Davidson Freewheeler 107 Trike 2019
Harley Davidson Softail Sport Glide 107 Softail 2018
Harley Davidson Softail Sport Glide 107 Softail 2019
Harley Davidson Softail Slim 107 Softail 2018
Harley Davidson Softail Slim 107 Softail 2019
Harley Davidson Road Glide Ultra 107 Touring 2017
Harley Davidson Road Glide Ultra 107 Touring 2018
Harley Davidson Road Glide Ultra 114 Touring 2019
Harley Davidson Road Glide 107 Touring 2017
Harley Davidson Road Glide 107 Touring 2018
Harley Davidson Road Glide 107 Touring 2019
Harley Davidson Road Glide 107 Touring 2017
Harley Davidson Road Glide 107 Touring 2018
Harley Davidson Road Glide 107 Touring 2019
Harley Davidson Road Glide Special 107 Touring 2017
Harley Davidson Road Glide Special 107 Touring 2018
Harley Davidson Road Glide Special 114 Touring 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
Harley Davidson Softail Street Bob 107 Softail 2018
Harley Davidson Softail Street Bob 107 Softail 2019
Harley Davidson Softail Breakout 107 Softail 2018
Harley Davidson Softail Breakout 107 Softail 2019
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 107 Softail 2018
Harley Davidson Softail Fat Bob 107 Softail 2019
Harley Davidson Softail Fat Bob 114 Softail 2018
Harley Davidson Softail Fat Bob 114 Softail 2019
Harley Davidson Softail Low Rider 107 Softail 2018
Harley Davidson Softail Low Rider 107 Softail 2019