Fabtech 2019+ Silverado & Sierra Billet Aluminum Upper Arm # K1138

The Fabtech FTSK1138 is a direct replacement for the factory upper arm on the 2019 and 2020 model year Chevrolet Silverado 1500 and GMC Sierra 1500 trucks. These control arms are also 100% compatible on trucks equipped with the TrailBoss and AT4 package. These control arms will not fit any Classic or LD series truck built on the older design. These control arms are only for use on the revised 2019 and up model years. The Fabtech Billet Aluminum Uniball Upper Control Arms provide increased strength to the front suspension by replacing the stock ball joint upper arms that can become worn and eventually fail under aggressive offroad use. These heavy duty upper arms are designed for longevity in rugged offroad conditions. They also feature additional caster compared to stock upper arms for superior on road use with oversized tires. Built of 6061 aluminum with thick cross sections, they will reduce suspension flex and provide a more positive road feel.

Fabtech K1138 Features:
These UCA’s feature large PTFE lined 1" ID Stainless Steel Uniball bearings and 17-4 Stainless Steel pins that are designed to handle rugged offroad driving. The Uniballs allow for increased wheel travel when paired with aftermarket coilovers like the Fabtech Dirt Logic Coilover shocks. The heat treated Stainless Steel Uniball pin is tapered to fit into the stock BJ taper for an easy return to stock feature. Drivers that require a quieter on road ride with less vibration transfer, Fabtech offers forged steel rod ends with Urethane bushings. These provide increased noise and vibration insulating properties compared to heim ends. This is a great option for those that spend most of their time on the highway. The stunning black anodized finish with flawless machine work will make these Billet UCA’s the crown jewel of your vehicle’s suspension.

Fabtech K1138 Contents:
FTS21255 = Billet Aluminum UCA Kit
FTS21263 = UCA Bushing Rod Ends

Fabtech UniBall Control Arms can be removed and the truck returned back to stock without issue if necessary. This is ideal for trucks that are leased that will must be turned in with a stock suspension.

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