Description
The RK M420 is a proven, dependable chain engineered for applications demanding reliable power transmission without compromise. Built with heat-treated medium carbon alloy steel and reinforced through shot-peening, this chain delivers the strength and longevity required for consistent performance. Whether you’re running a go-kart, mini bike, or other small-displacement motorsports application, the M420-76 provides the durability to handle repetitive stress and maintain optimal drivetrain efficiency.
- Heat-treated medium carbon alloy
- Shot-peened for durability
- Four-point pin riveting
- Solid roller construction
- 76-link configuration
- Clip connecting link included
- Bolt-on installation
- Standard pitch specification






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