Vortex 609ZR-37 Steel Rear Sprocket Pitch Sprockets - 520 37-Tooth

The Vortex 609ZR-37 is a high-performance steel rear sprocket engineered to deliver exceptional durability and precise power transfer for sport and performance motorcycles. Designed as a direct OEM-style replacement or performance upgrade, this 37-tooth, 520-pitch sprocket is manufactured to exacting standards by one of the most trusted names in motorcycle drivetrain components.

Key Features:

• Chain Pitch: 520
• Tooth Count: 37 teeth
• Material: High-carbon steel alloy for maximum strength and wear resistance
• Finish: Nickel-plated or satin black electro-plated to resist corrosion
• Induction hardened surface to reduce wear and extend service life
• Unique Vortex tooth profile for smooth chain engagement and increased sprocket longevity
• Manufactured in the USA to tight tolerances for superior concentricity
• Direct bolt-on fitment for compatible OEM applications

Vortex Racing steel sprockets are built to withstand the rigors of both street and track use, offering a reliable and long-lasting alternative to OEM components. The 609ZR series features a standard OEM-style bolt pattern, making installation straightforward on compatible models. Whether you're restoring stock gearing or fine-tuning your final drive ratio, the Vortex 609ZR-37 delivers consistent performance mile after mile.