Yokomo BM-S162A Diameter 1.6 x 2 Holes Piston (Black) For B-MAx2/4 x Shock

B-MAX Series For Option The X-Shock Piston Is A Flat Shape And The Damping Feeling Of The Extension Side And The Compression Side Will Be The Same. The Holes In The Piston Are Diameter 1.6mm With 2 Holes, And A Diameter 1.7mm Type (BM-S172 400) Is Also Lined Up.