Manufactured by Ridetech | 11390296 | 1982-03 S10, S15 and Sonoma w/ 85 inch Differential HQ Air Suspension System , HQ Air Suspension System for 1982-2003 S10, S15 and Sonoma with 8.5" Differential. Includes front and rear HQ Shockwaves, front TruTurn System, Wishbone Rear Suspension System and Front sway bar., Ridetech manufactures exciting suspension systems that improve the handling and ride quality of your muscle car, truck, Corvette or hot rod. From restorations and show cars, to high-speed autocross and track day cars, Ridetech offers a wide range of premium products including air suspension systems (air ride), coil-overs, shock absorbers, coil and leaf springs, tubular control arms, roll bars, sway bars and much more. Product information updated on 2023-02-27