Hotchkis Sport Suspension 1304 1979 - 1998 Mustang Lower Trailing Arms. Hotchkis Performance lower trailing arms for your 79 - 98 Mustang improve traction reduce wheel hop and improve handling and stability. Designed as direct replacements for weak stock trailing arms Hotchkis trailing arms feature TIG - welded construction from one piece of parent material quiet operating greasable polyurethane bushings machined spring perches sway bar mounts and a powder coated finish. Grade 8 hardware included. Black Powder coat. Specs Length 17.75 in.