Engines and Components› Engines, Blocks and Components

S&S Cycle

S&S Cycle 2017+ M8 129in Power Pk w/ Blk Pushrod Tubes & Cam Chain Tensioners - Blk w/o HL Incl. VVT

$3,294.95

SKU: S0GE 310-1226D

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Transforms 107" oil-cooled M8 engines into 129" with no case machining. Includes big bore cylinders, 550 cam, cam plate, oil pump (with independent scavenge sections and magnet), Quickee pushrod kit (gloss black covers), tappet cuffs, lifter guide, spring kit, hydraulic tappet set, and cam chain tensioner. Features MLS head gaskets and retains original engine serial numbers. Made in the USA.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

BrandS&S Cycle
Part NumberS0GE 310-1226D

Videos

S&S Cycle, Inc - How to Install: S&S Cycle Power Package (Part 3) Dyno Runs

S&S Cycle, Inc - How to Install: S&S Cycle Power Package (Part 3) Dyno Runs
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S&S Cycle, Inc - How to Install: S&S Cycle Winter Power Pack (Part 1) Big Bore Kit
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RevZilla - S&S Big Bore Kits and Cylinder Heads for Harley Review at RevZilla.com

RevZilla - S&S Big Bore Kits and Cylinder Heads for Harley Review at RevZilla.com
S&S Cycle, Inc - S&S Cycle Product Spotlight - Power Packages for HD® Twin Cam & M8 Models

S&S Cycle, Inc - S&S Cycle Product Spotlight - Power Packages for HD® Twin Cam & M8 Models
Moonshine Harley - S&S 128 High Horsepower UPGRADE KIT By Moonshine Horsepower | Shop Talk Episode 59

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GMR Performance - 2023 ST 132” Big-Bore kit

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Moonshine Harley - BIG HORSEPOWER Kit Breakdown by Moonshine Horsepower | 131, 135, 139, & 143 MONSTER Horsepower

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Jarhead Six Rides - S&S 132 BIG BORE KIT ISSUES!

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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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