Your motorcycle exhaust source



Shop by vehicle


Your Garage


You can login or create an account to save vehicles to your personal garage.

Who's Online

There currently are 313 guests online.
Getting current inventory...

JE Pistons 4.250in 11.0:1 Piston Kit For Harley-Davidson Milwaukee 8 - 4.250in 11.0:1 piston kit for Harley Milwaukee 8

$449.99

Add to Cart:


Please select a vehicle to verify part fitment

Details

  • Model: 370252
  • Shipping Weight: 3.3lbs
  • 12 Units in Stock
  • Manufactured by: JE PISTONS

Description

4.250in 11.0:1 piston kit for Harley Milwaukee 8

  • Type: Piston Kit
  • UPC: 193564219558
Upgrade your Harley-Davidson® Milwaukee 8 engine with the JE Pistons 4.250" 11.0:1 Piston Kit. Forged from high-strength 2618-T6 aluminum, these pistons offer improved grain flow and tensile strength. Skirt coating ensures optimal break-in and extended performance life. The accumulator groove increases combustion pressure volume for maximized output. This kit is designed for a 4.500" stroke and 128" displacement. Compatible with a wide range of 2017 and newer Harley-Davidson® Milwaukee 8 models, including Road Glide, Softail, Street Glide, Fat Boy, and more. Perfect for riders seeking durability and performance.

  • Forged 2618-T6 aluminum construction
  • 4.250" bore, 11.0:1 compression ratio
  • Skirt coating for break-in longevity
  • Dished piston head design
  • Kit includes pistons for both cylinders

Fits Harley-Davidson® Milwaukee 8 engines including Road Glide, Tri Glide, Low Rider S, Softail, Fat Bob, Breakout, Street Glide, and others.


This part fits the following

TypeMakeModelYearEngineLocationRequiredNotes
MotorcycleHarley DavidsonFLFBS Softail Fat Boy 1142018114 CI1
MotorcycleHarley DavidsonFLFBS Softail Fat Boy 1142019114 CI1
MotorcycleHarley DavidsonFLFBS Softail Fat Boy 1142020114 CI1
MotorcycleHarley DavidsonFLHCS Softail Heritage Classic 1142018114 CI1
MotorcycleHarley DavidsonFLHCS Softail Heritage Classic 1142019114 CI1
MotorcycleHarley DavidsonFLHCS Softail Heritage Classic 1142020114 CI1
MotorcycleHarley DavidsonFLHRXS Road King Special2019114 CI1
MotorcycleHarley DavidsonFLHRXS Road King Special2020114 CI1
MotorcycleHarley DavidsonFLHTCUTG Tri Glide Ultra2019107 CI1
MotorcycleHarley DavidsonFLHTCUTG Tri Glide Ultra2020107 CI1
MotorcycleHarley DavidsonFLHTK Ultra Limited2019107 CI1
MotorcycleHarley DavidsonFLHTK Ultra Limited2020114 CI1
MotorcycleHarley DavidsonFLHTKL Ultra Limited Low2019107 CI1
MotorcycleHarley DavidsonFLHXS Street Glide Special2019107 CI1
MotorcycleHarley DavidsonFLHXS Street Glide Special2020114 CI1
MotorcycleHarley DavidsonFLRT Freewheeler2019114 CI1
MotorcycleHarley DavidsonFLRT Freewheeler2020114 CI1
MotorcycleHarley DavidsonFLTRK Road Glide Limited2020114 CI1
MotorcycleHarley DavidsonFLTRU Road Glide Ultra2019114 CI1
MotorcycleHarley DavidsonFLTRXS Road Glide Special2019107 CI1
MotorcycleHarley DavidsonFLTRXS Road Glide Special2020114 CI1
MotorcycleHarley DavidsonFXBR Softail Breakout2018107 CI1
MotorcycleHarley DavidsonFXBRS Breakout 1142020114 CI1
MotorcycleHarley DavidsonFXBRS Softail Breakout 1142018114 CI1
MotorcycleHarley DavidsonFXBRS Softail Breakout 1142019114 CI1
MotorcycleHarley DavidsonFXDR Softail 1142019114 CI1
MotorcycleHarley DavidsonFXDR Softail 1142020114 CI1
MotorcycleHarley DavidsonFXDR Softail Power Cruiser 1142019114 CI1
MotorcycleHarley DavidsonFXFB Softail Fat Bob2018107 CI1
MotorcycleHarley DavidsonFXFBS Softail Fat Bob 1142018114 CI1
MotorcycleHarley DavidsonFXFBS Softail Fat Bob 1142019114 CI1
MotorcycleHarley DavidsonFXFBS Softail Fat Bob 1142020114 CI1
MotorcycleHarley DavidsonFXLRS Softail Low Rider S2020114 CI1


This product was added to our catalog on Friday 20 June, 2025.

stislide1



Copyright © 2025 Pipecity Powered by Zen Cart.
Your IP Address is: 10.1.255.50
Parse Time: 0.600 - Number of Queries: 125 - Query Time: 0.05154481753540026