The Regina 520 DR Extra Drag Racing Chain is engineered for the severe demands of competitive drag racing. This 170-link chain is designed for high-performance motorcycle applications and provides the durability and fatigue resistance needed for demanding launches, repeated acceleration, and high-load drivetrain operation. Manufactured by Regina, the chain is built to support applications through Pro Stock-level performance when properly selected and installed.
Plates, pins, and rollers are shot-peened to improve fatigue resistance and help withstand the repeated stress associated with drag racing. The chain delivers a breaking strength of 10,566 pounds and a fatigue limit of 2,135 pounds, offering dependable performance for race-prepared motorcycles using a compatible 520-size chain system. The included clip-and-rivet-type link supports installation and service flexibility.
Use the Regina 520 DR Extra when a high-strength drag racing chain is required for a compatible motorcycle drivetrain. Confirm the motorcycle model, sprocket configuration, chain length, and installation requirements before ordering. This product is identified by manufacturer part number 135DR/1006 and vendor part number 135DR/1006.
Features:
- Size: 520 drag racing chain
- Model: DR Extra
- Link count: 170 links
- Brand: Regina
- Manufacturer: Regina
- Manufacturer part number: 135DR/1006
- Vendor part number: 135DR/1006
- Application: Designed for severe drag racing use and compatible high-performance motorcycle drivetrains
- Construction: Plates, pins, and rollers are shot-peened for improved fatigue resistance
- Breaking strength: 10,566 pounds
- Fatigue limit: 2,135 pounds
- Performance level: Suitable for applications up to Pro Stock level when properly matched and installed
- Included component: Clip-and-rivet-type link