QA1 · New
QA1 Pro Parallel 4-Link System Single Adjust Coilovers
MPN R175-150 · Store SKU qapR175-150
Supplier stock checked 11/7/2026, 2:28:14 PM UTC. Adding a part does not reserve it.
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Product details
PRODUCT OVERVIEW: QA1's Pro Rear Parallel 4-Link system with Panhard Bar Kit simplifies the fabrication process for vehicles that lack aftermarket support and offers an easy solution that provides ride height adjustability, packages easily, and offers a simple install process. These DIY kits produce professional-quality results and great looks in a convenient, easy-to-order package. Designed for the DIY enthusiast, the kit contains high-quality, MIG-weldable components that ensure a safe and well-engineered design that’ll get your favorite Truck or Hot Rod the stance and ride quality it deserves. ADAPTABILITY This kit includes all components and hardware for assembling and mounting the trailing arms, shocks, and springs. The raw components can be cut to length and welded as needed, allowing for adaptation to a range of applications. Refer to the provided dimensional diagrams and renderings for assistance with your custom install. PACKAGING & SIMPLICITY The parallel four-link system, by design, packages easily into many applications, making it ideal where space is limited. The parallel four-link system is easy to tune, making it great for DIY mechanics while still meeting demands of high-end builds. Powder coated trailing arms with forged bushings offer great looks, durability, and a smooth ride. TUNABILITY & RIDE HEIGHT ADJUSTMENT Adjustable coilovers provide dampening tunability and ride height adjustability, ensuring you achieve your desired stance and ride quality. The unique valving of the Ultra Ride QA1 coilovers provide a comfortable, tunable ride quality that enhances handling without sacrificing ride quality. KIT CONTENTS: Powder coated trailing arms and forged bushings adjust from 24-5/8" to 25-½" Trailing arm brackets for 3" axle Panhard bar max length 37" 40" trailing arm crossmember 40" shock crossmember and mount tabs All hardwareQA1 Ultra Ride Coilovers and Springs FITMENT NOTES Welding required Works with 3 in. axle tubes QA1 R175-150 Pro Rear Parallel 4-Link System, Single Adjust Coilovers QA1 R175-150 Pro Rear Parallel 4-Link System
Manufacturer fitment & guides
Check R175-150 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
