2" UNIBALL UCA SYS W/ DL 2.5 RESI & 2.25 15-20 FORD F150 4WD.

System Features & Benefits - Arms eliminate upper ball joint w/ super strong 1in 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. - Built with same materials as found on Trophy Trucks. - .120in Wall 4130 Chromoly Tubing. 1.25in OD. - .250in wall DOM Bushing Barrels. - 1in ID Stainless Steel American Uniball. - 17-4 Stainless Misalignments. - Heat Treated 17-4 Stainless Steel Tapered Uniball Pins.