Product Description
Knobtown Cycle offers the REVOLUTION PERFORMANCE, LLC RING SET 139/143″ M8 for riders who know quality matters.
Key Features
- Gas nitride-coated rings offer the ultimate compatibility with nickel-silicon-carbide-plated bores
- High-tension compression rings with 3 mm oil scrapper rails
- Sold as a set for one piston
- Made in the USA
- Not recommended for use with cast-iron/ductile-sleeved cylinders.
- Replacement ring sets for related piston kits.
Product Specifications
- Part Number: 09120920
- Brand: REVOLUTION PERFORMANCE, LLC
- Weight: 0.50 lbs
Expert Installation Services
Professional installation services available. Contact our Kansas City service department! Free Ship to Store!
Notes: Not for 4-1/4" bore. Actually for 4-1/2" bore. Use 0912-0917 for 4-1/4" bore
Part Locations
| Location |
Available |
| Wisconsin (WI) |
4 |
| New York (NY) |
3 |
| Texas (TX) |
3 |
| Nevada (NV) |
3 |
| North Carolina (NC) |
6 |
| National Total |
19 |
Stock levels last updated: January 30, 2026 8:09 PM
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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