Vortex CK6357 HFR Quick Accel 520 Chain and Sprocket Kit for Yamaha

The Vortex CK6357 is a complete HFR Quick Acceleration chain and sprocket kit designed for Yamaha motorcycles. This kit delivers everything needed for a 520 chain and sprocket conversion in a single, bike-matched package — reducing rotating mass and improving throttle response right out of the box.

Key Features:

• Induction-hardened chromoly steel front sprocket with drilled holes for reduced rotating weight
• Rear sprocket available in laser-cut carbon steel with electro-plated satin black finish, or aerospace-grade F5 aluminum with hard-coat anodizing for maximum durability
• 520-pitch performance chain manufactured in Japan to exacting quality standards, featuring a tri-glide X-ring seal design for up to 10x the wear life of standard O-ring chains
• Chain includes a rivet-type master link for a secure, race-proven connection
• Kit is pre-matched to specific Yamaha fitments — no cutting or chain modification required
• Designed to increase acceleration and reduce rotational mass compared to OEM gearing

Vortex Racing chain and sprocket kits are trusted by performance riders and racers worldwide for their precision manufacturing, superior materials, and measurable on-track gains. The CK6357 is the ideal upgrade for riders seeking sharper acceleration and a complete, ready-to-install drivetrain solution for their Yamaha.