Tuning Set of 8 pair fits screw-on type pistons that come on B6, B6D, B64, B64D. Also fits updated screw-on V2 shock shafts for use on B5, B5M, B5M Factory Lite, T5M, and SC5M. View attachment 3020 Precision CNC machined pistons with each pair in its own labeled Schelle mini snap case. Includes piston tuning guide, bevel piston instructions, and Kurt "Coach" Wenger's tips. The 8 pairs included are: (1.6) = 2 x 1.6 Flat (1.7) = 2 x 1.7 Flat (1.4) = 3 x 1.4 Flat... AE V2 12mm Piston Tuning Set, 8 pair Continue reading...