The Detroit Speed, Inc. QUADRALink adjustable rear sway bar is a great complement to the Detroit Speed QUADRALink on a 1970-81 Camaro/Firebird. The adjustable sway bar provides an additional way to upgrade the rear suspension for the ultimate in performance without sacrificing ride quality. The adjustable sway bar is powdercoated gloss black and includes end links, bushings, and mounting brackets for installation.QUADRALink Sway Bar Rate:3/4" DiameterFront Hole: 312 lb/in. Rear Hole: 414 lb/in.