The piston choices finished up being indeed updated for perfect fit and dampening in unique big bore shock systems. The 2-hole pistons (1.6 and 1.8mm) are a fundamental element of 2.0mm and 2.5mm level choices. In addition, two sets of blank pistons both detail by detail choices are included for particular personalized modification. All pistons are constructed of Delrin and so are also molded utilizing ultra-high accuracy moulds.