Big Bore 1.5mm 2 Hole Piston (4)

Big bore 3 hole piston compatible with the QS-5050 and QS-5053 shock shafts

Small bore pistons compatible with the following shock shafts:   QS-5048 QS-5049

Small bore three hole piston compatible with the following shock shafts: QS-5048 QS-5049

4 hole 12mm big bore pistons with o rings. Formerly GFR-4153 and 57-1047

Big bore piston with o-rings.  4 hole with 2 different sized holes.  Works best on rougher tracks.  Comes in a set of 4. Formerly GFR-4154 and 57-1109