Vortex 247ZK-42 Steel Rear Sprocket 42T

The Vortex 247ZK-42 is a 42-tooth steel rear sprocket engineered as a direct OEM-style replacement or performance upgrade for compatible motorcycle applications. Manufactured by Vortex Racing, a trusted name in the powersports industry, this sprocket delivers reliable power transfer and long service life under demanding street and track conditions.

Vortex sprockets are precision-machined from high-quality steel and feature tight tolerances for smooth, consistent chain engagement. The 42-tooth configuration provides a balance of acceleration response and top-end performance, making it a popular choice for riders seeking OEM-equivalent reliability with quality aftermarket construction.

Key Features:

• 42 teeth — OEM-equivalent tooth count for direct replacement
• Steel construction — Durable material for extended wear life
• Precision-machined for accurate chain alignment and smooth power delivery
• Direct bolt-on fitment — no modifications required
• Manufactured by Vortex Racing, a trusted name in motorcycle sprockets

The Vortex 247ZK-42 rear sprocket is an excellent choice for riders looking to restore or maintain optimal drivetrain performance with a high-quality aftermarket component.