Vortex CK6301 GFRA Chain and Sprocket Kit - 520 14T Front 43T Rear

The Vortex CK6301 is a GoFast Racing Aluminum (GFRA) 520 Chain and Sprocket Kit engineered for performance-focused riders seeking improved acceleration and reduced drivetrain weight. This kit features a gearing configuration that is 1 tooth down in the front from stock, shifting power delivery toward stronger low-end torque and quicker acceleration.

Kit Contents:

• Steel front sprocket — 14 teeth, 520 pitch, precision-manufactured chromoly steel
• Aluminum rear sprocket — 43 teeth, 520 pitch, aerospace-grade aluminum for reduced rotational mass
• Premium 520 X-ring chain — made in Japan to high-quality specifications
• Rivet-type master link — included for a secure, ready-to-install setup

Key Features:

• GFRA (GoFast Aluminum) designation indicates a lightweight aluminum rear sprocket and performance-oriented gearing
• Vortex aluminum sprockets are constructed from aerospace-grade aluminum, providing optimal power transfer with minimal added weight
• 520 chain pitch is a common performance conversion that saves weight compared to larger OEM chain sizes
• X-ring chain design delivers superior sealing and lubrication retention for extended service life
• Rivet-type master link included — no chain cutting required for installation
• Manufactured by Vortex Racing, a brand trusted by professional racers and serious street riders alike

The Vortex CK6301 is a direct-fit performance upgrade that replaces the OEM chain and sprocket system with a lighter, more responsive drivetrain package. Whether used for track days or spirited street riding, this kit delivers the precision and durability that Vortex Racing is known for.