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S&S Cycle 128" Big Bore Kit For Harley 114" / 117" Milwaukee-Eight 2017-2026

Name: S&S Cycle 128" Big Bore Kit For Harley 114" / 117" Milwaukee-Eight 2017-2026
Brand: S&S Cycle
SKU: 10555182
Price: 1643.95 USD
Availability: InStock
Rating: 3.50 (4 reviews)

Item: P672777

4 Read 4 Reviews 18 Q&As Write a Review

Upgrade your M8 motor to the largest bore size possible, without required machining of your cases. This is as simple as big power gets, with everythin… Read More

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This product DOES NOT FIT your 2008 Yamaha Grizzly 350 4WD

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Product Details

Product Description

Part Numbers

Fitment

S&S 128" Big Bore Kit For Harley 114" / 117" Milwaukee Eight

Upgrade your M8 motor to the largest bore size possible, without required machining of your cases. This is as simple as big power gets, with everything necessary for installation included.

Features:

Bolt-on kit, the largest cylinder bore possible for M8 motors without required machining of the crankcases
4.250" bore, 4.500" stroke
11:1 forged pistons with rings, pins and clips
All gaskets and hardware required for installation included
Made in the USA

Product Style	RevZilla Item #	Store Sku	MFR. Product #	Availability
Product Style Black Granite w/ Highlighted Fins	RevZilla Item #10555181	Store Sku	MFR. Product #910-0733A	AvailabilityIn Stock: Ships within 24 hours
Product Style Black w/ Highlighted Fins	RevZilla Item #10555183	Store Sku	MFR. Product #910-0684A	AvailabilityIn Stock: Ships within 24 hours
Product Style Black w/ Non Highlighted Fins	RevZilla Item #10555182	Store Sku	MFR. Product #910-0685A	AvailabilityOnly 2 Left: Ships within 24 hours

This product DOES NOT FIT your 2008 Yamaha Grizzly 350 4WD

Fitment Notes & Exceptions

This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-pollution-controlled vehicles only.

This Product Fits

Harley Davidson: Electra Glide Ultra Limited CVO/SE FLHTKSE 2017, 2018, 2019, 2020, 2021; Electra Glide Ultra Limited FLHTK 2020, 2021, 2022, 2023, 2024; Road Glide CVO/SE FLTRXSE 2018, 2019, 2020, 2021, 2022; Road Glide Limited CVO FLTRKSE 2022, 2023; Road Glide Limited FLTRK 2020, 2021, 2022, 2023, 2024; Road Glide Special FLTRXS 2019, 2020, 2021, 2022, 2023; Road Glide ST FLTRXST 2022, 2023; Road King Special FLHRXS 2020-2025; Softail Breakout 114 FXBRS 2018, 2019, 2020; Softail Breakout 117 FXBR 2023, 2024, 2025, 2026; Softail Fat Bob 114 FXFBS 2018-2023; Softail Fat Boy 114 FLFBS 2018-2024; Softail Fat Boy FLFB 2025, 2026; Softail FXDR 114 FXDRS 2019, 2020; Softail Heritage Classic 114 FLHCS 2018-2024; Softail Heritage Classic FLHC 2025, 2026; Softail Low Rider S FXLRS 2020-2026; Softail Low Rider ST FXLRST 2022, 2023, 2024, 2025, 2026; Street Glide CVO/SE FLHXSE 2017-2022; Street Glide Special FLHXS 2019, 2020, 2021, 2022, 2023; Street Glide ST FLHXST 2022, 2023

Product Description

Part Numbers

Fitment

4 Customer Reviews for All Models

4 3.5/5

18 Questions & 6 Answers for All Models

Reviews & Questions