Suspension and Components› Rear Suspension Components
QA1 Precision Products, Inc
QA1 Heavy Duty Pro Rear Drag 4-Link Component Kit
SKU: Q00B 7838-1067
Advanced — 4+ hours
Description
Part #: 7838-1067
Product Overview: QA1's Heavy Duty Pro Rear Drag 4-link kit streamlines the fabrication process, delivering professional-grade results and performance in a convenient and easy-to-order kit all from one source. This 4-link system is designed for the hardcore, discerning, do-it-yourself racer looking for a no-compromise solution to take their vehicle to the next level in performance and adjustability. High quality, MIG-weldable components ensure a safe and properly engineered design that can be easily adapted into many drag racing setups. Find convenience, safety, and performance all from QA1 with the HD Pro Rear Drag 4-Link. Performance: This drag race-style 4-link design is known for its performance and adjustability, and features a wide range of instant center tuning and on-car adjustability. The components are adaptable and can be cut to length to work in any setup with 40 inch or narrower frame-rails. Heavy Duty Design: This heavy-duty design can handle the demands of high-performance racing. With inch-thick plates, 1-1/4 inch trailing arm tubes, Grade 8 hardware, and QA1 chromoly rod ends, these kits are built to put down serious power. Adaptability: This kit contains all the components and hardware needed for assembly and mounting of the trailing arms and four link. A lateral locating device is required, and you can look to QA1 for additional components that will help with drag race suspension setup. Look to the provided dimensional diagrams and renderings to help with your custom install. Kit Contents: 22 Trailing arm tubes, brackets, rod ends, tube adapters 40 shock crossmember and mounting tabs Grade 8 hardware kit Made in the USA Fitment Notes Welding required Trailing arm tubes can be cut to length Works with 3 in. axle tubes Works on 40 in. and narrower frame rails Does not include a lateral locating device
Features:
- Heavy-duty design
- Wide range of tunability
- Includes all hardware
- Best-in-class warranty
- Made in the USA
QA1 HD Pro Rear Drag 4-Link Component Kit includes brackets, trailing arms, hardware, tube adapters, QA1 rod ends, and shock crossmember to build a performance drag race style 4-link suspension.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | QA1 Precision Products, Inc |
| Part Number | Q00B 7838-1067 |
Videos
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy