Our 4-Bar Rear Suspension Kits are truly Equal-Length Parallel 4-Bars that use a Panhard Bar to control lateral movement. Using a very long Panhard Bar perpendicular maximizes efficiency …

Most of our 4-links are sold in complete rear suspension packages. They include the 4-link with frame and housing brackets, coil-over rear shocks with springs rate-matched to your …

Progressive Automotive’s 4-Link rear suspensions bars are made from heavy wall, seamless tubing, ensuring strength and durability. The bars are TIG welded for both structural integrity, …

Progressive Automotive’s Triangulated 4 bar rear suspensions bars are made from heavy wall, seamless tubing, ensuring strength and durability. The bars are TIG welded for both structural …

The sway bar is a special triple heat treated chromoly bar for superior rotation during articulation but excellent handling during high speeds. The ends are CNC splined to ensure a tight fit. This …

The 4-LINK Kit is for the serious racer that needs to dial in their rear suspension for launches. We use our CNC machined Billet stainless rod-ends with right-hand and left-hand thread. This …

This kit gives the driver the ability to adjust the suspension for changing track conditions as well as improving your street manners. Included link bars are beefy 1.250″ diam. seamless US …

Progressive Automotive’s Parallel 4 bar rear suspensions bars are made from heavy wall, seamless tubing, ensuring strength and durability. The bars are TIG welded for both structural …

Detroit Axle - 8pc Struts Shocks Kit for 2003-2018 Toyota 4Runner 2007-2014 FJ Cruiser Front 2 Struts with Coil Spring Assembly Rear 4 Sway Bar Links 2 Shock Absorbers Replacement …

Our 4-Link Coilover Rear Suspension Systems for AMC muscle cars are designed to provide exceptional traction, stability, handling, control, safety and performance, making your AMC …