Front strut tube coil over hardware kit (shock insert sold separately). Includes left and right. Fabricaed from 4130 steel & DOM (drawn over mandrel) tubing, Gold Zinc plated. comes with spring sleeve and adjuster nut. Requires 2.5inch diameter springs. AWR manufactures new strut tubes to its own high standards, with stronger materials than OEM. AWR uses a threaded body and includes matching threaded collars which act as the lower spring perch. This provides ride height adjustability. SPRING AND SHOCK INSERT ARE SOLD SEPARATELY. We also carry Bilstein inserts, some which are modified for lowered vehicles, that fit our strut tubes.