Each order comes with (1) base, including the support arm & associated hardware, (2) RipTide WFB pivots, (1) precision turned stainless cupped washer, and (1) short grade 8 kingpin nut
 
Compatible with Mk3, Mk3.5 and Mk4 slalom front trucks. Ships with Mk4 pivot arm (UHMWPE Pivot compatible)