Yeah Racing Traxxas TRX-4/TRX-6 Aluminum Front Axle Housing. This optional front axle housing is made using precise CNC machining for extreme durability and fitment in the Traxxas TRX-4 or TRX-6. Package includes one front axle housing with hardware. 

Features: For Wheel Transmitters Aluminum Material Black anodized

Yeah Racing Hardened Steel Mod 1 Pinion Gear. Made from HD steel for extreme durability and strength. These pinions use a 5mm bore and are laser etched with pitch and teeth count for easy identification.

Yeah Racing Mod 0.6 Aluminum Hard Coated Pinion Gear. Made from 7075 aluminum and given a hard titanium coating for a precise, long lasting, pinion. These pinions are available in multiple sizes. 

Yeah Racing HPI RS4 Aluminum Linkage Set. This optional linkage set is intended to add style and strength to the HPI RS4. Package includes six links with hardware.

Includes: (2) Aluminum Lower Front Arms (2) Aluminum Lower Rear Arms (2) Bearing Supported Aluminum C-Hubs (2) Aluminum Rear Hubs (4) Universal Shafts (1) Bearing Supported Steering Arm Set