MIP 1/8 Bypass1 Hi-Flow Pistons. These optional pistons give you yet another tuning option for the MIP 1/8 Bypass1 Hi-Flow kit as well as the Gen 1 Bypass1 kit. Available in multiple hole counts and sizes these pistons are an excellent addition for changing track conditions. These "blank" pistons have 10 dimples on the back that allow you to drill out as many holes as you need for your specific application. Package includes two 10-Hole blank Hi-Flow pistons.
