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S&S Cycle
S&S Cycle 2017+ M8 129in Power Pack w/ Chrome Pushrod Tubes & Cam Chain Tensioner - Blk w/ Highlight
SKU: S0GE 310-1223
Moderate — 2–4 hours
Description
Part #: 310-1223
The S&S Power Package is the ideal combination of performance and savings designed to transform your engine without breaking the bank. The latest kits combine our biggest big bore cylinders (4.32 in.) with matched cam/cam plate/ oil pump and everything else a high performance cam chest needs for reliable horsepower. Transform your 107 in. to 129 in. and your 114/117 in. to a 132 in. monster.Black finish with hightlight fins, for oil cooled 2017+ M8 Models.
MIA's Description
Fitment
Fitment Guaranteed
Don’t gamble
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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.
Available on iOS & Android
Specifications
| Brand | S&S Cycle |
| Part Number | S0GE 310-1223 |
Videos
How to Install: S&S Cycle Power Package (Part 3) Dyno Runs
How to Install: S&S Cycle Winter Power Pack (Part 1) Big Bore Kit
S&S 128 High Horsepower UPGRADE KIT By Moonshine Horsepower | Shop Talk Episode 59
S&S Cycle Product Spotlight - Power Packages for HD® Twin Cam & M8 Models
S&S Cycle Big Bore Kit for Milwaukee-Eight Overview
S&S 128 Big Bore / Harley-Davidson Lowrider S
S&S Big Bore Kits and Cylinder Heads for Harley Review at RevZilla.com
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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