SuperSprings SumoSpring Solo Front Overload Bumpstop 99-04 Ford F-250/350 4WD AFE-77-42007 The clean air continues forward

The clean air continues forward through the vortex tube

and is built with longevity in mind

The Air-Boss VP plenum gives the largest bolt-on flow increase possible short of milling the cast plenum off the head and installing a fabricated intake plenum

Unloaded temperatures were consistently 10 degrees or more below the factory part

SuperSprings SumoSpring Solo Front Overload Bumpstop 99-04 Ford F-250/350 4WD AFE-77-42007 The clean air continues forwardEnhance your towing experience in your 99 04 Ford F 250 350 4WD with the SuperSprings Front Solo SumoSprings. The SumoSprings Solo feature a 1000lb capacity and are a patented suspension product designed to enhance load carrying ability, stabilize sway, and improve overall driver control and ride comfort. They are maintenance free, do not leak air, and do not require airlines or compressors. They are manufactured from proprietary closed micro cellular