Vortex 337-47 Aluminum Rear Sprocket 520 Pitch 47-Tooth Silver

The Vortex 337-47 is a lightweight aluminum rear sprocket featuring 47 teeth and a 520 chain pitch, designed for performance-oriented street and racing motorcycle applications. Built to Vortex Racing's exacting standards, this sprocket delivers the precision and durability demanded by both track riders and serious street enthusiasts.

Key Features:

• 47-tooth rear sprocket for optimized acceleration and drive ratio tuning
• 520 pitch chain compatibility
• 100% CNC machined in the USA to the tightest tolerances in the industry
• Constructed from a specially formulated aluminum alloy per Vortex specifications for optimal strength-to-weight ratio
• Silver anodized finish to resist corrosion and maintain appearance
• Patented Vortex tooth design for increased sprocket longevity and smooth chain engagement
• Lightening holes reduce rotating mass for improved throttle response

Vortex Racing has been manufacturing championship-proven drivetrain components in the United States for over 15 years. Each sprocket undergoes rigorous quality control and real-world testing with professional race teams worldwide, making the 337-47 a trusted upgrade over OEM sprockets.