Alloy gas filled coil-over SO-CAL Speedshocks: Manufactured in the USA to the highest standards in the industry, these brush finished 6061 aluminum coil-over shocks have a six position rebound adjustment, black powder coated silicon wire springs (offered in 200#, 250#, 300# and 350# increments) and a collar nut for a quick pre-load changes. There is a 9/16-inch piston shaft for added strength , urethane bushings and the unparalleled design of the upper and lower shock eyes. 10" x 13 1/2"
