Vortex 317KV4-43 Aluminum Rear Sprocket 43T

The Vortex 317KV4-43 is a high-quality 43-tooth aluminum rear sprocket engineered for performance-focused riders seeking a lightweight alternative to stock steel sprockets. Vortex is a leading manufacturer of precision-machined sprockets trusted by amateur and professional motorcycle racers worldwide.

Key Features:

• 43-Tooth configuration for optimized acceleration and power delivery
• Aircraft-grade 7075-T6 aluminum construction reduces unsprung rotational weight compared to OEM steel sprockets
• Hard anodized finish provides corrosion resistance and extended service life
• CNC machined to precise tolerances for smooth chain engagement and reduced wear
• Direct OEM replacement — bolt-on fitment with no modifications required
• Compatible with standard O-ring, X-ring, and Z-ring drive chains

Vortex sprockets are manufactured in the USA and undergo rigorous quality control to ensure consistent performance. The 317KV4-43 is an excellent upgrade for street and track use, offering a noticeable reduction in drivetrain weight that contributes to quicker throttle response and improved handling feel.