Product Description
Hyper Race Cylinder Kit is available now from Knobtown Cycle, your Kansas City motorcycle parts specialists.
The race version of the popular Athena 70cc big bore kit, available in one part number. All parts are available separately for custom builds.
Key Features
- Cylinder kits include cylinder, head, piston assembly, reeds, and gaskets
- Piston kits include piston, rings, wrist pin, and circlips
- Carburetors have a manual choke assembly
- Hyper Race crankshafts have a lighter connecting rod, full crank rounds, and special needle bearings, but will not work with OEM type stock or standard Athena big bore pistons due to the larger 12mm wrist pin size.
Product Specifications
- Part Number: 68-4500
- Brand: Athena
- Weight: 0.3406 lbs
Available at Knobtown Cycle
Order online or stop by our Kansas City location. Kansas City riders since 2004!
Part Locations
| Location |
Available |
| Ashley (IN) |
2 |
| Elizabethtown (PA) |
0 |
| Boise (ID) |
1 |
| Midway (GA) |
0 |
| Fresno (CA) |
0 |
| Jessup (MD) |
0 |
| Midlothian (VA) |
5 |
| National Total |
8 |
Stock levels last updated: March 8, 2026 5:04 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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