Suspa C16-09322 C1609322, Spring Strut Prop Shock, Pair 80 Lbs Force, 40 Lbs per prop, 10" Compressed Length (Center-to-Center): 6.7in (170mm) Extended Length (Center-to-Center): 9.8in (249mm) Force: 40 Lbs (178 N) (Per Prop) End Fittings: 10mm Nylon Ball Sockets Set of Two