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This product is vehicle specific. Click here to select your vehicle to ensure fitment.

S&S Cycle

S&S Cycle 132" Big Bore Kit For Harley 114" Milwaukee Eight 2017-2025

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S&S Cycle Big Bore Kit for Milwaukee-Eight Overview

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This item is available as a Blem/Refurb. These are items that cannot be sold as "New" merchandise and are limited to stock on hand. See the product details for a description of the product's condition.

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S&S Cycle 132" Big Bore Kit For Harley 114" Milwaukee Eight 2017-2025 Instructions

S&S Cycle 132" Big Bore Kit For Harley 114" Milwaukee Eight

Turn your 114 cubic inch Milwaukee Eight into a 132 cubic inch monster. S&S Cycle has done it again with their bolt-on big bore kit featuring a 4.32” bore and 11:1 compression ratio. This cylinder and piston kit will accommodate a high lift cam and keep your Harley-Davidson M8 happy on pump gas. No case mods, no engine removal; just a massive set of jugs, designed, tested, and manufactured here in the USA.

Features:

Huge bore increase means huge power increase
Works with stock crankcases (no machine work)
Powder coat finish matches factory finish
MLS (multi-layered steel) head gaskets
4.320" Bore
Retains stock engine height
Includes Cubic Inch Cam Cover Badge
Made in USA

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This product is vehicle specific. Click here to select your vehicle to ensure fitment.

Fitment Notes & Exceptions

Fits models with 114" Milwaukee Eight engines only

Harley Davidson: Electra Glide Highway King FLHFB 2023; Electra Glide Standard FLHT 2019, 2020, 2021, 2022; Electra Glide Ultra Classic FLHTCU/I 2017, 2018, 2019; Electra Glide Ultra Limited CVO/SE FLHTKSE 2017, 2018, 2019, 2020, 2021; Electra Glide Ultra Limited FLHTK 2017-2024; Electra Glide Ultra Limited Low FLHTKL 2017, 2018, 2019; Revival FLH 2021; Road Glide CVO/SE FLTRXSE 2018, 2019, 2020, 2021, 2022; Road Glide FLTRX 2017-2025; Road Glide Limited CVO FLTRKSE 2022, 2023; Road Glide Limited FLTRK 2020, 2021, 2022, 2023, 2024; Road Glide Special FLTRXS 2017-2023; Road Glide ST FLTRXST 2022, 2023; Road Glide Ultra FLTRU 2017, 2018, 2019; Road King FLHR/I 2017-2022; Road King Special FLHRXS 2017-2025; Softail Breakout 114 FXBRS 2018, 2019, 2020; Softail Fat Bob 114 FXFBS 2018-2023; Softail Fat Boy 114 FLFBS 2018-2024; Softail Fat Boy FLFB 2025; Softail FXDR 114 FXDRS 2019, 2020; Softail Heritage Classic 114 FLHCS 2018-2024; Softail Heritage Classic FLHC 2025; Softail Low Rider S FXLRS 2020-2025; Softail Street Bob 114 FXBBS 2021, 2022, 2023, 2024; Softail Street Bob FXBB 2025; Street Glide CVO/SE FLHXSE 2017-2022; Street Glide FLHX/I 2017-2025; Street Glide Special FLHXS 2017-2023; Street Glide ST FLHXST 2022, 2023; Street Glide Ultra FLHXU 2025

Product Style	Item #	Store SKU	Manufacturer Product #	Availability
Product Style Black Granite W/ Highlighted Fins	Item # 10555239	Store SKU	Manufacturer Product # 910-0847A	Availability Out of Stock
Product Style Black w/ Highlighted Fins / Highlighted Fins	Item # 10555238	Store SKU	Manufacturer Product # 910-0845A	Availability Out of Stock
Product Style Black W/ Non-Highlighted Fins	Item # 10555237	Store SKU	Manufacturer Product # 910-0846A	Availability In Stock: Ships within 24 hours

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