This is a replacement XRAY Composite Piston Set, and is intended for use with the XRAY T4 1/10 scale electric touring car. Set of redesigned composite molded pistons designed and produced to accommodate the Super Low Profile (SLP) shock absorbers. The set of pistons include 3 and 4 hole pistons with 1.0, 1.1, and 1.2mm diameter holes. The pistons are molded using special methods and composites to ensure extreme roundness, while maintaining maximum stiffness and durability.