CV Joint Inner Race (Inner Star)

KOK supplies CV joint inner races, also commonly referred to as CV inner stars, for aftermarket and rebuilder applications.

CV joint inner races are load-bearing driveline components that transmit torque from the drive shaft to the CV joint assembly while allowing articulation during operation.

Product Scope

KOK supplies aftermarket CV joint inner races in predefined designs and sizes, covering common CV joint configurations used in automotive and light vehicle driveline systems. These parts are supplied as individual replacement components, not as complete CV joint assemblies.

Design Characteristics

KOK aftermarket CV joint inner races are manufactured to defined specifications, with features including:

• Precision-machined ball track geometry
• Internal spline profiles for shaft engagement
• Hardened metal construction for wear resistance

Design focus is placed on dimensional accuracy and surface quality to ensure correct fitment and functional compatibility in rebuild applications.

Materials & Manufacturing

CV joint inner races supplied by KOK are manufactured from hardened steel materials suitable for driveline load conditions.

Production focuses on:

• Consistent geometry and spline accuracy
• Controlled surface finish of ball tracks
• Repeatable quality across production batches

Application Scope

• Passenger vehicles
• Light commercial vehicles
• Powersports and similar applications

Supply Scope

KOK CV joint inner races are supplied as aftermarket replacement parts. They are not developed as application-specific OEM components and are not supplied as part of complete CV joint systems.