Kelderman 4-Link Rear Air Suspension 17-22 Ford F250/F350/F450 Select Model:F-350 eliminating the need to drop

eliminating the need to drop the torsion bar crossmember

This is a direct replacement for the factory linkage in your 12 Valve Cummins or can be used for individuals performing a P-Pump conversion on 24 Valve engines

while providing greater wheel travel

helping to increase horsepower potential and reduce backpressure

Kelderman 4-Link Rear Air Suspension 17-22 Ford F250/F350/F450 Select Model:F-350 eliminating the need to dropThe Ford Superduty has been rocking stiff rear leaf springs since the dawn of time. Trucks today are doing more than their predecessors could ever imagine. While capacities have increased, ride quality hasn't benefited from significant improvements. The best way to make leaf springs better without losing capacity? Ditch the leaf springs! Kelderman had the same thought and made good on the idea with their 4 link rear air suspension. Since the early