The 7767g spring retainer is designed to securely hold the suspension springs in place on compatible traxxas rc vehicles. Made from durable materials, it helps maintain proper shock alignment and consistent suspension performance during high-speed driving, jumps, and rough off-road use. The precision design ensures a snug fit with stock or upgraded shocks, preventing unwanted spring movement and improving overall handling reliability. This spring retainer is compatible with traxxas hoss 4x4 vxl, rustler 4x4 vxl, slash 4x4, and stampede 4x4 models that use the 7767 series shock components.