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Bolt-on kit requires no machining of stock components
Comes with cylinder gaskets, hardware and installation instructions
Made in the USA
Product Note:Only fits 114 cubic inch models.
Specification
Details
Bore
4-1/4 in.
Color
Varies (make selection above)
Compression Ratio
11.1:1
Country of Origin
USA
Displacement
128CI
Engine Type
Milwaukee Eight
Finish
Varies (make selection above)
Material
Aluminum
Stroke
4.5 in.
Vehicle Fitment
Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.
Harley Davidson
FLFB Softail Fat Boy 2025
FLFBS Softail Fat Boy 114 2018-2024
FLHC Softail Heritage Classic 2025
FLHCS Softail Heritage Classic 114 2018-2024
FLHRXS Road King Special 2019-2025
FLHTCU Electra Glide Ultra Classic 2019
FLHTK Electra Glide Ultra Limited 2019-2024
FLHTKL Electra Glide Ultra Limited Low 2019
FLHXS Street Glide Special 2019-2023
FLTRK Road Glide Limited 2020-2024
FLTRXS Road Glide Special 2019-2023
FXBB Softail Street Bob 2025
FXBBS Softail Street Bob 114 2021-2024
FXBR Softail Breakout 2018-2019
FXBRS Softail Breakout 114 2018-2020
FXDR Softail 114 2019-2020
FXFBS Softail Fat Bob 114 2018-2023
FXLRS Softail Low Rider S 2021
Customer Reviews
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Questions & Answers
What brand are the pistons
By Frank
This kit would have S&S pistons.
Have a question? Please ask our experts and customers who own this product.
