19. The assembled struts are installed by lining up the strut shafts with the upper strut mount bearing openings and inserting the shafts. You will need to compress the coilover springs to some extent (depending upon spring length ordered) and a floor jack will help with this. Once through the bearings, the upper bushings are installed along with the nylon lock nut for each side. Tighten the nuts with an impact gun or hold the struts with an adjustable wrench as shown here. Cap the strut tops with the included protective rubber caps.