These are Associated Factory Team replacement flat pistons for 16mm shocks, featuring a 6-hole configuration with 1.3mm ports. Sold as a set of four, they are designed for use with 16mm shock absorbers across Associated RC8 platform vehicles and a wide range of compatible 1:8 scale buggies and truggies. The flat piston design is a factory replacement option for restoring consistent damping performance in worn or damaged shocks. Features: 16mm shock piston, flat style 6-hole design with 1.3mm ports Set of 4 pistons Factory Team (FT) spec part from Associated 7/7/26 cs