1�Applicable Models: Complete slipper clutch assembly is designed for Traxxa...1�Applicable Models: Complete slipper clutch assembly is designed for Traxxas Slash 4x4 for Stampede 4X4 for Rustle 4X4 for HuanQi 727 and other 1/10 RC cars. 2�Aluminum Alloy and Steel: 54T differential gear is made of hardened steel and other...more