QA1 Precision Products Steering Bump Steer Assembly

QA1 Precision Products Steering Bump Steer Assemblies

When you lower a vehicle or swap out suspension components, one of the most common — and most frustrating — side effects is bump steer: the tendency of your front wheels to steer themselves as the suspension travels through its range of motion. Steering bump steer assemblies exist specifically to correct this unwanted toe change, and few manufacturers approach the problem with the precision and material quality that QA1 Precision Products brings to the table.

Since 1993, QA1 has been an industry leader in high-performance suspension and driveline components for the automotive aftermarket. QA1 suspension is proudly made in Lakeville, Minnesota, where the company operates a 100,000+ square-foot manufacturing facility featuring advanced CNC machining, hydraulic presses, robot welding, and laser cutting. That manufacturing depth is evident in every bump steer assembly they produce.

What Sets QA1 Bump Steer Assemblies Apart

Changing suspension components sometimes leads to bump steer or unwanted toe change during suspension travel — QA1's bump steer kits are engineered to correct this problem and feature premium chromoly steel, heat-treated, self-sealing, and self-lubricating X-Series rod ends paired with an aluminum anodized adjusting sleeve. This combination of materials delivers long-term durability with minimal maintenance, whether the vehicle sees weekend street cruising or competitive track duty.

QA1 bump steer kits are specifically designed for vehicles that have been lowered and are experiencing unwanted toe changes and bump steer during suspension travel. The kits are vehicle-specific, with applications ranging from classic Fox-body and SN95 Mustangs to second- and third-generation GM F-Body platforms. Key features include a direct-fit design for easy installation, an adjustable outer tie rod end to correct bump steer, and precision fit with factory spindles and steering linkage.

Complete Kit Contents & Adjustability

One of the hallmarks of QA1's bump steer assemblies is that they ship as complete, ready-to-install kits. Each kit includes 2 QA1 X-Series rod ends with jam nuts, 2 anodized aluminum adjusting sleeves with jam nuts, 2 specially designed spindle studs with washer and lock nut, and an assortment of bump steer spacers. The included spacer assortment is a particularly practical touch — it allows installers to dial in the precise correction needed for their specific ride height and suspension geometry rather than relying on a one-size-fits-all approach.

QA1 also offers standalone bump stop components such as the BC01 and BC02 series. These bump stops are designed for soft front spring set-ups, measure 1-1/2" in outer diameter and 3" in length, help cushion the suspension and prevent it from bottoming out, and can be shortened to a desired length for custom fitments.

Built to a Higher Standard

QA1's quality system is certified to the ISO 9001:2015 standard, and their products are designed, built, and tested to ensure consistent quality, ultimate reliability, and unbeatable performance. For enthusiasts building a serious street or track machine, that level of quality assurance matters — especially in a steering-critical component where imprecision can directly affect handling safety and consistency.

Whether you're correcting geometry on a freshly lowered muscle car or fine-tuning an autocross build, QA1's steering bump steer assemblies offer the adjustability, material quality, and vehicle-specific fitment that serious builders demand. Browse the full selection above to find the right kit for your application.