Vortex 404ZL-37 Aluminum Rear Sprocket 420 Pitch 37 Tooth Silver

The Vortex 404ZL-37 is a lightweight aluminum rear sprocket designed for motorcycles and powersports applications requiring 420 chain pitch. This 37-tooth sprocket combines race-proven performance with exceptional durability, making it ideal for both street and track use.

Key Features:

• 37-tooth configuration for 420 chain pitch applications
• 100% CNC manufactured in the USA for precision fitment
• Specially formulated aluminum alloy per Vortex specifications
• Silver anodized finish prevents corrosion and wear
• Patented tooth design increases sprocket longevity
• Lightening holes reduce rotating mass for improved performance
• Lightweight construction reduces unsprung weight

Vortex sprockets feature a unique patented tooth profile that distributes load more evenly across the chain, reducing wear on both the sprocket and chain. The precision CNC machining ensures perfect fitment and optimal chain engagement, while the silver anodized finish provides both corrosion resistance and a clean appearance.