Seal kit includes all o-rings, seal and wiper to service: Dirt Logic 4.0" shocks with 1.25" shaft and 4.0" piggyback, remote, or internal floating piston. Kit includes o-rings to fit old style piggyback manifold as well as new style.
Wiper seal, rod seal, rod o-ring are Disogrin Urethane
Fabtech part number: FTS86154, FTS86155, FTS86156
SHOCKSEALS.COM PN: AHD-D40-125PR
Each seal rebuild kit services one shock unless stated otherwise.