QA1 SS304-07650 Spring Slider Kit 82-92 GM F Body with QA1 K-Member 650lb.QA1 SS304 07650 Spring Slider Kit 82 92 GM F Body with QA1 K Member 650lb. Installing QA1's spring slider for the 1982 1992 Chevrolet Camaro and Pontiac Firebird (F body) significantly upgrades the front end for improved handling and track performance. The spring slider assembly utilizes QA1 lower control arms and the tubular QA1 K member to retain the factory inboard spring locations, provide adjustable ride height, and allow for use of wide wheels