Vortex 312ZK-46 Rear Sprocket Pitch Black Hardcoat Aluminum Sprockets - CAT5 46T 530

The Vortex 312ZK-46 is a 46-tooth CAT5 rear sprocket machined from a specially formulated aluminum alloy and finished in a durable black hardcoat anodizing. Designed for 530-pitch chain drive systems, this sprocket delivers race-proven performance for street and track applications.

Key Features:

• CAT5 Lightweight Aluminum Construction – Specially formulated alloy per Vortex specifications reduces rotating mass for improved throttle response and acceleration
• 100% CNC Manufactured in the USA – Precision machined to exacting tolerances for concentricity and consistent chain engagement
• Black Hardcoat Anodized Finish – Electroplated satin black finish provides corrosion resistance and a clean, aggressive appearance
• Vortex Patented Tooth Design – Unique tooth profile increases sprocket longevity and reduces chain wear compared to conventional sprockets
• 46 Teeth / 530 Pitch – Bolt-on fitment specific to the 312 carrier pattern

Vortex Racing sprockets are the preferred choice of racers and performance street riders who demand precision components built to withstand the rigors of high-RPM riding. The 312ZK-46 is a direct bolt-on replacement that pairs seamlessly with Vortex sprocket carriers for a complete drive system upgrade.