Big bore cylinder and piston kit contains S&S 4-1/8" bore cylinders and forged pistons, rings, wrist pins, head and base gaskets
Pistons are dished dome design intended for use with stock cylinder heads
Cylinders are machined with the stock bolt pattern for use in stock crankcase
Designed for 4-5/8"stroke flywheels
124" displacement
Cylinder finish is a durable wrinkle black powder coat
Made in the USA
Product Note:
Specification
Details
Bore
4-1/4 in.
Color
Varies (make selection above)
Compression Ratio
11.1:1
Country of Origin
USA
Displacement
124CI
Engine Type
Milwaukee Eight
Finish
Powder Coated
Material
Aluminum
Piston Type
Forged
Stroke
4-3/8 in.
Warranty
1 Year Manufacturer Warranty
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
FLDE Softail Deluxe 2018-2020
FLFB Softail Fat Boy 2018-2019
FLHC Softail Heritage Classic 2018-2021
FLHR Road King 2017-2021
FLHRXS Road King Special 2017-2018
FLHTCU Electra Glide Ultra Classic 2017-2019
FLHTCUTG Tri Glide Ultra Classic 2018-2025
FLHTK Electra Glide Ultra Limited 2017-2018
FLHTKL Electra Glide Ultra Limited Low 2017-2018
FLHX Street Glide 2017-2023
FLHXS Street Glide Special 2017-2018
FLRT Freewheeler 2017-2022
FLSB Softail Sport Glide 2018-2021
FLSL Softail Slim 2018-2021
FLTRU Road Glide Ultra 2017-2019
FLTRXS Road Glide Special 2017-2018
FXBB Softail Street Bob 2018-2020
FXBR Softail Breakout 2018-2019
FXFB Softail Fat Bob 2018-2019
FXLR Softail Low Rider 2018-2020
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