No welding required; kit includes all hardware with 3ö chrome springs, faux leather frame cover and instructions for installation Kit is designed for installing Drag Specialties large and small spring solo seats Seat hinge, front frame and rear frame mounts are black powder coated; spring mount studs are stainless steel and all other hardware is zinc coated Scissor-type springs (available separately) can be used with this kit Requires two 3/8ö x 24 TPI hex head bolts (not included). MOUNT SPR SOLO BOLT 14-15