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Twin Power

17-Up M8 Black 4.25 Inch Big Bore Cylinders Pair

Part Number 486959 (132843865)

UPC: 887337383132

Select vehicle for guaranteed fit

$676.99 FREE SHIPPING

In stockShips by 9th Nov

FREE SHIPPING

Description

High-quality cast Big Bore Cylinders from Twin Power™. Factory style black textured powdercoat finish with highlighted fins. Cast in iron liners for strength and durability and finish honed and ready to run.

Fitment

This part fits the following vehicles.

Harley-Davidson

2018-2020 FLDE Deluxe 107
2018-2019 FLFB Fat Boy 107
2018-2024 FLFBS Fat Boy 114
2018-2021 FLHC Heritage Classic 107
2025 FLHC Heritage Classic 117
2018-2024 FLHCS Heritage Classic 114
2021 FLH Electra Glide Revival
2023 FLHFB Electra Glide Highway King
2017-2022 FLHR Road King
2017-2025 FLHRXS Road King Special
2017-2019 FLHTCU Electra Glide Ultra Classic
2020-2022 FLHTCUTGSE CVO Tri Glide
2017-2025 FLHTCUTG Tri Glide Ultra
2022 FLHTCUTG Tri Glide Ultra G.I.
2019-2022 FLHT Electra Glide Standard
2017-2019 FLHTKL Ultra Limited Low
2017-2021 FLHTKSE CVO Limited
2017-2024 FLHTK Ultra Limited
2017-2025 FLHXSE CVO Street Glide
2017-2023 FLHXS Street Glide Special
2017-2025 FLHX Street Glide
2022-2023 FLHXST Street Glide ST
2025 FLHXU Street Glide Ultra
2024 FLI Hydra-Glide Revival
2017-2025 FLRT Freewheeler
2018-2024 FLSB Sport Glide 107
2018-2021 FLSL Softail Slim 107
2025 FLSTFI Fat Boy Gray Ghost
2020-2024 FLTRK Road Glide Limited
2022-2023 FLTRKSE CVO Road Glide Limited
2023-2025 FLTRT Road Glide 3
2017-2019 FLTRU Road Glide Ultra
2017-2025 FLTRX Road Glide
2025 FLTRXRRSE CVO Road Glide RR
2018-2025 FLTRXSE CVO Road Glide
2017-2023 FLTRXS Road Glide Special
2022-2023 FLTRXST Road Glide ST
2024-2025 FLTRXSTSE CVO Road Glide ST
2021-2024 FXBBS Street Bob 114
2018-2020 FXBB Street Bob 107
2025 FXBB Street Bob 117
2018-2019 FXBR Breakout 107
2023-2025 FXBR Breakout 117
2018-2020 FXBRS Breakout 114
2019-2020 FXDRS FXDR 114
2018-2020 FXFB Fat Bob 107
2018-2023 FXFBS Fat Bob 114
2018-2020 FXLR Low Rider 107
2020-2021 FXLRS Low Rider S 114
2022-2025 FXLRS Low Rider S 117
2022-2025 FXLRST Low Rider ST 117
2022 FXRST Low Rider El Diablo 117
2020-2024 FXST Softail Standard 107

Features & benefits

Direct bolt-on, requires no machine work to crankcases or cylinder heads
Increases 107 in. engines to 124 in. and 114 in. engines to 128 in.
Includes cylinder head dowels
Sold in pairs

Specifications

Color	Black

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