Prolink Rear Suspension for B and E-Body Mopars. Uses HUGE 1-1/4" chromoly TIG welded tubes and 3/4" spherical rod ends. Mounts inboard of frame for greatly increased tire clearance over leaf springs. Creates an adjustable instant center to allow adjustment of vehicles percentage of rise when trying to increase traction, and all under the stock floor pan! Magnum Force's quarter century of race car construction shows through here with a bolt in/weld in version of a fourlink similar to those seen under Pro Stock, A-Gas, and other hardcore racing classes. Although not as adjustable as our universal fourlink for back halved cars, this unit fits in the car with much fewer modifications required. Includes all brackets, 4130 Chromoly rod ends rated over 40,000 lbs of radial load capacity, 1-1/4" 4130 Chromoly link tubes with pre-welded tube adapters. Watts linkage with billet swivel, 4130 ends and tubes, billet coil overs, coil over mounts, jame nuts, grade 8 hardware