Engines and Components Engines, Blocks and Components

S&S Cycle

S&S Cycle 2017+ M8 129in Power Pack w/ Black Pushrod Tubes & Gear Drive Cam - Black w/o Highlight

$3,559.95

SKU: S0GE 310-1228

In Stock
In Stock
Ships by Jun 17
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

Transforms a 107" oil-cooled Milwaukee-Eight (M8) engine into a 129" engine without case machining. Includes matching cam, cam plate, and oil pump with independent scavenge sections for flywheel cavity and cam chest, and a cam chest magnet. Features high-performance conical single-wire S&S valve springs, retains original engine serial numbers, and has removable passage plugs for servicing. Also includes debris screens in scavenge pickups, MLS head gaskets, and a performance-matched 550 cam. Works with stock crankcase.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandS&S Cycle
Part NumberS0GE 310-1228

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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