Engines and Components Engines, Blocks and Components

S&S Cycle

S&S Cycle 2017+ M8 Models 4.250in Bore 550G Cam Power Pack - Black w/ Highlight

$3,460.95

SKU: S0GE 310-1051A

In Stock
In Stock
Ships by Jun 11
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Non-Returnable Item
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Description

The S&S Cycle 310-1051A is a bolt-on big bore kit for 2017+ Harley-Davidson Milwaukee-Eight (M8) water-cooled engines, upgrading 107 cu. in. to 124 cu. in. with 4.250" bore forged pistons and 10.5:1 compression. It includes a billet aluminum oil pump and cam plate, Quickee pushrods, S&S precision tappets, and a S&S 550 cam with high-performance valve springs. Not recommended for trike models.

Fitment

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Specifications

BrandS&S Cycle
Part NumberS0GE 310-1051A

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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