Vortex 427ZLV4-40 Aluminum Rear Sprocket 530-Pitch 40-Tooth

The Vortex 427ZLV4-40 is a 40-tooth, 530-pitch aluminum rear sprocket engineered for street and performance motorcycle applications. CNC-machined in the USA from a specially formulated aluminum alloy per Vortex's own specifications, this sprocket delivers an exceptional balance of light weight and durability. The violet anodized finish adds corrosion resistance while giving the sprocket a distinctive, race-inspired appearance.

Key Features:

• 530 Chain Pitch — compatible with standard 530-pitch drive chains
• 40 Teeth — bolt-on replacement tooth count for stock gearing applications
• 7075 T6 Billet Aluminum Construction — aerospace-grade alloy for outstanding strength-to-weight ratio
• 100% CNC Manufactured in the USA — precision machined to exact tolerances for true concentricity and consistent chain engagement
• Vortex Patented Tooth Design — unique tooth profile increases sprocket longevity and reduces chain wear
• Lightening Holes — strategically placed cutouts reduce rotating mass for improved throttle response and acceleration
• Violet Anodized Finish — color-anodized surface resists corrosion and provides a premium aesthetic
• Direct Bolt-On Fitment — designed as a direct replacement for compatible applications

Vortex rear sprockets are the preferred choice of racers and performance riders seeking a meaningful weight reduction over steel sprockets without sacrificing reliability. The 427ZLV4-40 is a direct-fit upgrade that improves throttle response and reduces drivetrain inertia.