Engines and Components› Engines, Blocks and Components

S&S Cycle

S&S Cycle 2017+ M8 Models 4.320in Bore 4.625in Stroke Cylinder Kit - Black Granite w/ Highlight

$1,643.95

SKU: S0GE 910-0850A

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Description

Part #: 910-0850A

The biggest just got bigger! 136 cubic inches of bolt-on power in this cylinder and piston kit.

MIA's Description

The S&S Cycle 910-0850A is a 136" Big Bore Cylinder Kit with a 4.625" stroke, featuring a black granite finish with highlighted fins. It is compatible with Harley-Davidson M8 engines and works with the stock crankcase, retaining original engine serial numbers and stock engine height. This kit uses MLS (Multi-Layered Steel) head gaskets.

Fitment

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Specifications

BrandS&S Cycle
Part NumberS0GE 910-0850A

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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