Vortex 317ZKV4-43 Aluminum Rear Sprocket 43T

The Vortex 317ZKV4-43 is a 43-tooth aluminum rear sprocket designed for high-performance motorcycle applications. Engineered to Vortex's exacting race-proven standards, this sprocket delivers a lightweight alternative to OEM steel sprockets without sacrificing durability or precision.

Key Features:

• 43-Tooth Configuration – Optimized tooth count for performance tuning of acceleration and top-speed characteristics
• Aircraft-Grade Aluminum Construction – Significantly reduces unsprung and rotating mass compared to steel sprockets
• Hard-Anodized Finish – Provides corrosion resistance and extended service life
• CNC-Machined Precision – Tight tolerances ensure smooth chain engagement and reduced wear
• Direct OEM Replacement Fitment – Bolt-on installation with no modifications required
• Race and Street Ready – Trusted by professional and amateur racers worldwide

Vortex Racing sprockets are manufactured in the USA and are a popular upgrade for riders looking to fine-tune their motorcycle's gearing. The 317ZKV4 carrier pattern is compatible with specific sport bike models — always verify fitment using Vortex's official fitment guide before ordering.