A perfect fit for 'G' machines and slammed sledz. One big advantage of trailing arms is that there are no upper bars to worry about. Awsome handling and great traction - and no wheel hop. This type of rear suspension is widely used in NASCAR. Rear Trailing Arm Suspension kit for 1937-48 Chevy Cars, 1949-54 Chevy Car, and 1955-57 Chevy Car Includes: Crossmember, Trailing Arms, all necessary hardware, shock mounts, and shock crossmember Includes: Air Bags NOTE: Picture shows kit for 1937-48 Chevy Car, other kits may have different components.