These QA1 bump steer kits are designed for vehicles that have been lowered and have unwanted toe changes and bump steer during suspension travel. They feature premium chromemoly steel and heat-treated, self-sealing, and self-lubricating X-Series rod ends, as well as black anodized aluminum sleeves. QA1 bump steer kits install easily with the included specially designed spindle studs (with a washer and locknut) and an assortment of bump steer spacers to get the right amount of correction.