• Factory drilled 0.8mm holes • enables a far more significant surprise oil • More constant managing • group of 4. • Fits X4 & T4
PSS pistons with factory drilled 0.8mm holes (2 in each piston). Permits a heavier surprise oil to be used, for a far more constant management. To be utilized with a PSS shock system for ULP shocks 308029 and SLP shocks 308039. Set of 4.