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vastly improved on-road ride
such as our Titanium FASS Fuel Air Separation System
5/8″ hardened & chrome-plated steel shafts
5" Systems are Designed and Tested on Vehicles with 17"-18" Wheels with 37"
05-07 FORD F250/F350 PROGRESSIVE ADD-A-PACK 3-3.5" Lift vastly improved on-road rideOur Add a Pack rear springs are a proprietary design built for us by Deaver Spring MFG. The lower overload leaf is removed and replaced with thinner gauge leaves. The O. E. M. load capacity is maintained while improved ride is achieved. If Pairing to 4. 5 System: Super Duties equipped with a 2 tall block from the factory will require the factory 3 5 8 tall Block to achieve a leveled stance to a 4. 5 kit with the Add a Pack. Factory Block Part Number:
