Motorshop 88186 M8 Big Bore Black Cylinder Set for Harley-Davidson Twin Cam

Black 4.250 inch big bore cylinder set with machined edge fins increase the bore size from 124 inch to 128 inch. Features a slightly larger fin area for better heat dissipation and increased cooling.

The Motorshop 88186 M8 Big Bore Black Cylinder Set is designed for Harley-Davidson applications requiring increased engine displacement and dependable cylinder performance. This set is intended for use with stock 4.375-inch flywheels and does not require case boring, making it a practical option for compatible M8 big-bore engine builds. The cylinders feature a black finish for a clean, coordinated appearance and are supplied as a matched set.
This cylinder set must be used with a separately ordered piston set. The required piston application is the #11-9983 M-8 Wiseco Piston Kit, so verify all engine components before beginning installation. The cylinder spigot outside diameter is 4-3/8 inches. Professional installation and careful confirmation of engine specifications are recommended to help ensure proper fitment, clearances, and performance.
The Motorshop 88186 is listed for select Harley-Davidson FLT models from 2017 through 2023 and Harley-Davidson FXB models from 2018 through 2020. Always confirm the motorcycle year, model, engine configuration, and existing components before ordering. This product is supplied as a set and is manufactured in China.

Features:

• Application: Designed for compatible Harley-Davidson M8 big-bore engine applications.

• Flywheel Compatibility: Intended for use with stock 4.375-inch flywheels.

• Case Preparation: Does not require case boring when used in the appropriate application.

• Finish: Black cylinder finish provides a coordinated appearance.

• Piston Requirement: Requires a separately ordered #11-9983 M-8 Wiseco Piston Kit.

• Spigot Diameter: 4-3/8-inch outside diameter.

• Unit of Measure: Set.

• Fitment: Fits select 2017-2023 Harley-Davidson FLT and 2018-2020 Harley-Davidson FXB models.

• Accessory Items: 11-0849 - Wiseco Twin Cam 110 inch Big Bore Piston Kit, 11-1523 - 110 CI Cylinder Kit Black, 11-0291 - 107 inch Twin Cam Piston Ring Set Standard, 11-1240 - M8 Big Bore Black Cylinder Set

Fitment
Harley Davidson FLT 2017
Harley Davidson FLT 2018
Harley Davidson FLT 2019
Harley Davidson FLT 2020
Harley Davidson FLT 2021
Harley Davidson FLT 2022
Harley Davidson FLT 2023
Harley Davidson FXB 2018
Harley Davidson FXB 2019
Harley Davidson FXB 2020
Harley Davidson FXB 2021
Harley Davidson FXB 2022
Harley Davidson FXB 2023