Vortex 454ZK-43 CAT5 Rear Aluminum Sprocket 525 Pitch 43T

The Vortex 454ZK-43 is a CAT5 series lightweight aluminum rear sprocket featuring a 43-tooth configuration and 525 chain pitch, engineered for Kawasaki ZX-10R applications. Designed for both street and racing use, this sprocket delivers a meaningful weight reduction over stock steel units, helping reduce rotating mass and improve overall drivetrain performance.

Key Features:

• CAT5 aluminum construction — lightweight racing-grade sprocket reduces unsprung and rotating mass
• 100% CNC machined in the USA — precision-manufactured to tight tolerances for consistent fitment
• Specially formulated alloy — proprietary Vortex material specification for optimal strength-to-weight ratio
• Saber tooth groove design — Vortex's patented unique tooth profile increases sprocket longevity and chain engagement
• 525 chain pitch — matches OEM chain specification for direct replacement
• 43 teeth — stock-equivalent tooth count for balanced acceleration and top-speed performance
• Available in anodized color finishes with bright silver machined highlights

Vortex Racing sprockets are a trusted choice among track day riders and road racers seeking a direct-fit, high-quality upgrade from OEM components. The 454ZK is engineered specifically for the ZX-10R platform and uses the correct bolt pattern and center bore for a straightforward installation.