These manual steering box kits are a direct replacement for power and larger manual boxes for most GM applications. The compact steering box weighs only 12 lbs. Can reduce front end weight by up to 45 lbs.Applications: FR1494: 1973-77 Century/Regal, Cutlass, Gran Prix, Monte Carlo, LeMans, Chevelle, El Camino, Malibu. FR1496: -- 1975-79 Skylark, Nova 1970-81 Camaro/Firebird (7" Straight can be used - quicker ratio) If you do not see your application, please call us! IMPORTANT: Not Recommended for Vehicles over 3,000 lbs. Use in motorsport activities voids all warranties. NOT DESIGNED FOR CIRCLE TRACK USE!