Vortex 337-46 Lightweight Aluminum Rear Sprocket 520 Pitch 46 Tooth Silver

The Vortex 337-46 is a lightweight standard aluminum racing rear sprocket featuring a 520 pitch and 46 teeth in a silver finish. Engineered for performance riders and racers, this sprocket is 100% CNC machined in the USA from a specially formulated aluminum alloy per Vortex specifications, delivering the tight tolerances and consistent quality that Vortex Racing is known for.

Key Features:

• 520 Pitch — compatible with 520-series chains
• 46 Tooth count for tunable final drive gearing
• Lightweight aluminum construction reduces rotating mass for improved throttle response and acceleration
• 100% CNC machined in the USA to precise tolerances ensuring concentricity
• Specially formulated alloy per Vortex specifications for strength and durability
• Unique tooth design increases sprocket longevity
• Clear-coated silver finish helps prevent oxidation
• Iconic two-tone machined appearance — finish applied before cutting

Vortex aluminum rear sprockets are trusted by AMA Superbike and Motocross competitors for their proven design and race-proven reliability. Swapping to a higher tooth-count rear sprocket increases the final drive ratio, delivering more low-end torque and quicker acceleration. The 337-46 is a direct-fit, model-specific sprocket — verify fitment for your motorcycle before ordering.