Replace your 1967-1979 Camaro or Firebird's leaf springs with Ridetech's Bolt-On 4-Link rear suspension system for dramatically improved handling, ride quality and launch characteristics. Now featuring R-Joint Rod ends and bearings, this Bolt-On 4-link system offers full range articulation, extended service life and no noise. The frame cradle attaches to your car's factory frame rails. The design accommodates wide rear tires as well as mini tubs. R-Joints are far superior to rubber or poly bushings. Includes 4 link bars with R-Joint rod ends , Powder coated rear cradle, coilover mounts, mounting brackets and hardware. components. Minimal welding is required to attach the link brackets to your axle tubes. Use in conjunction with Ridetech Coilovers or Shockwaves. This is the single adjustable version. Includes four link bars, R-Joint rod ends and bearing, upper cradle. mounting brackets and hardware. Minimal welding is required to attach the link brackets to your axle tubes