These are the optional Golden Horizons 2 degree Aluminum Rear Hubs for the Traxxas Slash 4x4 and Stampede 4x4. FEATURES: Constructed of aluminum, red in color INCLUDES: Two Golden Horizons Aluminum Rear Hubs also known as stub axles for the Slash 4x4 and Stampede 4x4 REQUIRES: Installing at rear suspension COMMENTS: Also available in blue, GHHC5235, or silver GHHC5237 This replaces stock # TRAC7952 and is compatible with Slash 4x4 and Stampede 4x4 stock parts. The rear upper turnbuckles will need to be adjusted for maximum performance. GX 2/17/11 ir/jxs