Vortex 337ZK-40 Steel Rear Sprocket 40-Tooth

The Vortex 337ZK-40 is a 40-tooth steel rear sprocket engineered for performance-minded riders who demand precision, durability, and consistent power transfer. Built to Vortex's exacting manufacturing standards, this sprocket is precision-machined and induction-hardened to tight tolerances, ensuring superior concentricity and a longer service life compared to stock sprockets.

Key Features:

• 40-Tooth Configuration — Delivers optimized final drive gearing for your application
• High-Carbon Steel Construction — Induction-hardened for maximum surface wear resistance and strength
• Precision CNC Machining — Manufactured to tight tolerances for improved concentricity and chain engagement
• Vortex Nickel Plating — Corrosion-resistant finish extends sprocket life in all riding conditions
• Direct OEM Replacement Fitment — Bolt-on installation with no modifications required
• Race-Proven Design — Tested and validated at the highest levels of professional motorcycle competition

Vortex Racing has been supplying championship-winning motorcycle components since 1995, and every sprocket in their lineup reflects that commitment to quality. The 337ZK-40 rear sprocket is a reliable upgrade or replacement part for riders seeking improved drivetrain performance and longevity.