Coil-Over Kit, GM. 64-67 A-Body, BB, Single Adj. Bolt-on, front and rear. Aldan GM A-Body kits are designed to convert your stock, front and rear suspension to fully ride-height adjustable coilovers. Aldan Phantom Series, single adjustable coilovers deliver superior handling & ride quality for a drastic improvement over stock suspension. Aldan's Hybrid front coil-springs are designed as a direct fit into the factory upper spring pockets. Aldan rear kits use factory rearend and shock mounts for precise fitment. Lowers 0.0"-2.0" front and 0.0-3.0" in the rear. Made in U.S.A.