Vortex Racing V4 44 Tooth 520 Rear Sprocket - Black

The next generation of Vortex aluminum rear sprockets, V4 builds on the long-running CAT5 sprocket platform with a lighter, more aggressive design. Reduced rotating mass improves acceleration, throttle response, handling, and overallagility. Ideal for street, track, and performance applications.

• Excellent concentricity for smooth, quiet operation and efficient power transfer
• Precision-machined from high-strength 7075-T6 aluminum
• 10-15% Lighter than CAT5
• Manufactured in the USA

Upgrade your motorcycle’s drivetrain with the Vortex Racing V4 44-tooth 520 rear sprocket, part number vtx452AZKV4-44. Designed for street, track, and performance applications, this lightweight aluminum sprocket builds on the proven Vortex CAT5 platform with a more aggressive profile and reduced rotating mass. The result is improved acceleration, throttle response, handling, and overall agility without compromising dependable power transfer.

• Precision Construction: CNC-machined from high-strength 7075-T6 aluminum for a durable, performance-focused drivetrain component.


• Smooth Operation: Excellent concentricity helps promote quiet operation, consistent chain engagement, and efficient power transfer.


• Reduced Weight: The V4 design is 10–15% lighter than the previous CAT5 sprocket, helping reduce unsprung and rotating mass.


• Application: Built for compatible Kawasaki Ninja motorcycles using a 520 chain and 44-tooth rear sprocket configuration.


• Manufacturing: Manufactured in the USA to support consistent quality and performance.

The black Vortex Racing V4 sprocket fits select Kawasaki ZX-7, ZX-7R, and ZX-9R models from 1993 through 1997. Confirm the motorcycle’s year, model, chain size, tooth count, and existing drivetrain specifications before installation. As part of a complete maintenance or performance upgrade, inspect the chain and front sprocket for wear and replace matched components as needed. Proper installation and chain adjustment are essential for smooth operation, long service life, and safe riding.

Features:

• 44-tooth rear sprocket designed for compatible 520 chain applications

• CNC-machined from high-strength 7075-T6 aluminum

• 10–15% lighter than the Vortex CAT5 sprocket

• Reduced rotating mass helps improve acceleration, throttle response, handling, and agility

• Excellent concentricity supports smooth, quiet operation and efficient power transfer

• Black finish with an aggressive V4 design

• Manufactured in the USA

• Fits select 1993–1997 Kawasaki ZX-7, ZX-7R, and ZX-9R models

Fitment:
Kawasaki Z900RS Base 2018
Kawasaki ZR900 Z900 Base 2017
Kawasaki ZR900 Z900 Base 2018
Kawasaki ZR900 Z900 Base 2019
Kawasaki ZR900 Z900 ABS Base 2017
Kawasaki ZR900 Z900 ABS Base 2018
Kawasaki ZR900 Z900 ABS Base 2019
Kawasaki ZR900 Z900 ABS Base 2020
Kawasaki ZR900 Z900 ABS Base 2021
Kawasaki ZR900 Z900 ABS Base 2022
Kawasaki ZR900 Z900 ABS Base 2023
Kawasaki ZR900 Z900 ABS Base 2024
Kawasaki ZR900 Z900 ABS Base 2025
Kawasaki ZR900 Z900 SE Base 2022
Kawasaki ZR900 Z900 SE Base 2023
Kawasaki ZR900 Z900 SE Base 2024
Kawasaki ZR900 Z900 SE Base 2025
Kawasaki ZR900 Z900RS Base 2018
Kawasaki ZR900 Z900RS Base 2019
Kawasaki ZR900 Z900RS Base 2020
Kawasaki ZR900 Z900RS Base 2021
Kawasaki ZR900 Z900RS Base 2022
Kawasaki ZR900 Z900RS Base 2023
Kawasaki ZR900 Z900RS Base 2024
Kawasaki ZR900 Z900RS Base 2025
Kawasaki ZR900 Z900RS CAFE Base 2018
Kawasaki ZR900 Z900RS CAFE Base 2019
Kawasaki ZR900 Z900RS CAFE Base 2020
Kawasaki ZR900 Z900RS CAFE Base 2021
Kawasaki ZR900 Z900RS CAFE Base 2022
Kawasaki ZR900 Z900RS CAFE Base 2023
Kawasaki ZR900 Z900RS CAFE Base 2024
Kawasaki ZR900 Z900RS CAFE Base 2025
Kawasaki ZR900 Z900RS SE Base 2022
Kawasaki ZR900 Z900RS SE ABS Base 2024
Kawasaki ZR900 Z900RS SE ABS Base 2025
Kawasaki ZX1200 Ninja ZX-12R Base 2002
Kawasaki ZX1200 Ninja ZX-12R Base 2003
Kawasaki ZX1200 Ninja ZX-12R Base 2004
Kawasaki ZX1200 Ninja ZX-12R Base 2005
Kawasaki ZX750 Ninja ZX-7 Base 1993
Kawasaki ZX750 Ninja ZX-7 Base 1994
Kawasaki ZX750 Ninja ZX-7 Base 1995
Kawasaki ZX750 Ninja ZX-7R Base 1993
Kawasaki ZX750 Ninja ZX-7R Base 1994
Kawasaki ZX750 Ninja ZX-7R Base 1995
Kawasaki ZX900 Ninja ZX-9R Base 1994
Kawasaki ZX900 Ninja ZX-9R Base 1995
Kawasaki ZX900 Ninja ZX-9R Base 1996
Kawasaki ZX900 Ninja ZX-9R Base 1997