BBK 79-98 Lower Rear Control Arms. Firmer launches and much improved handling characteristics are what you will get with these new BBK Gripp heavy duty rear lower control arm kits for Ford Mustang owners. Designed to work on all 1979-2009 Ford Mustang applications, these units feature such highlights as precision robotic welding, baked on powder coating and polyurethane bushings, complete with greaseable zerk fittings. Comes with complete installation instructions. Sold as a pair.