Obtain increased wheel travel with a mild lift height with this heavy duty Upper Control Arm systems. The tubular Upper Control Arms feature 1.25in OD, .120in wall thick chromoly tube construction with 1in diameter Stainless Steel Uniballs that attach to the factory spindle without drilling. The replacement UCA's have been designed to work in conjunction with Fabtech's Dirt Logic 2.5 Coilover shocks providing 10in of wheel travel for a complete front suspension system upgrade. The vehicle's offroad suspension performance will be greatly increased due to the extensive ride tuning of the Dirt Logic 2.5 Coilovers and rear Dirt Logic 2.25's. Features & Benefits: Arms eliminate upper ball joint w/ super strong 1in ID Stainless American Uniball. Additional caster is built into Arms for greater align ability to help with problematic leveling kit alignments. 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. .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.