Fabtech 15-20 Ford F150 4WD 2in Uniball UCA Sys w/Dl 2.5 & 2.25

System Features & Benefits - Arms eliminate upper ball joint w/ super strong 1? ID Stainless American Uniball. Allows for increased wheel travel when used with Dirt Logic 2.5 Coilover shocks. Chromoly tubing reduces flex found in stock arms for more positive road feel. 17-4 Stainless Steel Heat treated Uniball pin fits into factory ball joint taper without modification to the spindle for easy return to stock feature. Arms are direct replacements for factory arms on suspensions that require additional strength and align ability. Material Construction Specs - Built with same materials as found on Trophy Trucks. .120? Wall 4130 Chromoly Tubing. 1.25? OD. .250? wall DOM Bushing Barrels. 1? ID Stainless Steel American Uniball. 17-4 Stainless Misalignments. Heat Treated 17-4 Stainless Steel Tapered Uniball Pins.