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Rancho RS6579 (red) and RS6579B (black) kit part numbers are designed to fit the 2005, 2006, 2007 and 2008 Doge Ram 2500 4x4 and Dodge Ram 3500 4x4 truck. This no compromise 4-inch suspension lift package allows customers to upgrade to 37-inch diameter tires. New heavy duty tubular-style upper and lower links bolt directly to the OE mounting location without cutting or drilling. While adding superior strength and stability to the suspension, the new links restore the caster angle to an optimal setting. Kit Features:
New HD forged pitman arm
Preserves OE geometry for easy alignment
Zero bump steer
Optimal ride and handling
New computer designed coil springs
No exhaust modification necessary
Allows up to a 37" tall tire
Allows for reuse of the OE front skidplate
One-piece cast rear lift blocks with bump stop
Allows for reuse of the stock wheels
No welding required! The RS6579 and RS6579B kits were developed using 37x12.50R17 tires on a 17x8 wheel with 6" of back space. Please note, to prevent tire clearance issues wheel must have between 5.5 and 6 inches of back space. Under some extreme off-road situations, some trimming of the front air dam/fascia area may be necessary for extra clearance. Shock absorbers are NOT included with this kit and are sold separately. Front and rear shocks can be purchased using the drop down box located beneath this item description. Please note, Rancho offers two different front coilsprings, one for Cummins Diesel equipped trucks and another for 5.7L Hemi Gasoline engines. Please be sure to select the correct spring for your application when placing your order. This item ships for FREE via standard ground service to all addresses in the contiguous 48 United States of America!
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