Torsion bars stay in factory location. Redesigned for easier installation. Maintains factory ride quality. Applicable with Auto Trac equipped models. Unmatched ground clearance. Axles maintain factory position and angle. No drivetrain or exhaust modifications required. Designed to reuse factory compression travel stops. Includes application valved N3 series shock absorbers which offer the best in balanced performance for on and off-road use. Fabricated blocks are stronger and offer a longer lifespan than cast blocks. Specially designed anti-axle wrap rear blocks maintain stock ride quality while eliminating common lift block problem.