Product Description
Knobtown Cycle proudly offers the S&S CYCLE POWER PK 129″ CHN OC M8. Your Kansas City motorcycle parts experts for over 40 years.
Key Features
- Transform 107″ oil-cooled M8 into 129″ with no case machining required
- Big bore cylinders come with matching cam, cam plate and oil pump
- Independent scavenge sections for flywheel cavity and cam chest
- Magnet in cam chest to help prevent debris from entering oil pump
- Feature high-performance conical single-wire S&S valve springs
- Original engine serial numbers are retained
- Passage plugs are removable for servicing
- Debris screen in both scavenge pickups
- MLS (multi-layered steel) head gaskets
- Performance matched 550 cam
- Works with stock crankcase
- Made in the USA
Product Specifications
- Part Number: 09040100
- Brand: S&S CYCLE
- Weight: 43.50 lbs
Expert Installation Services
Order now and choose ship-to-store for complimentary installation. Kansas City motorcycle service experts!
Notes: DISCONTINUED ITEM
Part Locations
| Location |
Available |
| Wisconsin (WI) |
1 |
| New York (NY) |
0 |
| Texas (TX) |
0 |
| Nevada (NV) |
0 |
| North Carolina (NC) |
0 |
| National Total |
1 |
Stock levels last updated: January 27, 2026 11:58 AM
Professional Installation Available
Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.
Thank you for Shopping at Knobtown Cycle!
When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.
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