Monroe 74070 Monro-Magnum 70 Shock Absorber Multi-lip oil seal 2-3/4-inch (6985 mm) reserve tube Large 1-3/4-inch (445 mm) piston bore Hardened 7/8-inch (2223 mm) diameter piston rod Resistance and arc-welded mounts, provide a 18,000 lbs (8,165 kg) tensile strength for maximum durability