QA1 Pro Parallel 4-Link System Double Adjust Coilovers- (Rear)

Additional Information

QA1 R275-150 Pro Rear Parallel 4-Link System, Double Adjust Coilovers

Part Type

Coilover Adjustable Spring Lowering Kit

Product Overview

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 bushing ends 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. Double adjust QA1 coilovers provide a tunability that provides the desired ride quality, handling, and performance for any application. 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 hardware QA1 Double Adjust Coilovers and Springs MADE IN THE USA FITMENT NOTES Welding required Works with 3 in. axle tubes

• Coilover shocks allow for ride height adjustment
• Kit is adaptable and simple to install in a variety of applications
• Parallel four link design packages easily
• QA1 Double Adjustable Coilovers offer precise control of ride quality and handling

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

4-Link, Pro, Parallel, Diagonal Link, Shock Mounts, Weld-On, Double Adjustable Coilover, 150 lbs., Universal, Kit

QA1's Pro Rear Parallel 4-Link systems with Panhard bar kits simplify the fabrication process for vehicles that lack aftermarket suspension support—and offer an easy solution that provides ride height adjustability and a simple installation process. These DIY kits produce professional-quality results and great looks in a convenient package. Designed for the DIY enthusiast, each kit contains high-quality, MIG-weldable components that ensure a safe and well-engineered design that'll give your favorite truck or hot rod the stance and ride quality it deserves. The systems are available in three models:
• Basic, with no shocks or springs
• Single-adjustable, with coilover shocks (150 lb. spring rate)
• Double-adjustable, with coilover shocks (150 lb. spring rate)

ADAPTABILITY: Kits include all necessary components and hardware for assembling and mounting the trailing arms, shock mounts, and Panhard bar. The raw components can be cut to length and welded as needed, allowing for seamless adaptation to a wide range of applications.

PACKAGING and SIMPLICITY: The parallel 4-link system, by design, packages easily into many applications, making it an ideal solution where space is limited. The parallel 4-link system is easy to tune, making it a great choice for DIY mechanics while still meeting the demands of high-end builds. Powdercoated trailing arms with forged bushing ends offer great looks, durability, and offer a smooth, compliant ride.

TUNABILITY and RIDE HEIGHT ADJUSTMENT: Adjustable coilover brackets provide ride height adjustment so you can tune in the perfect stance for your ride. The included Panhard bar and adjustable trailing arms ensure you can fine-tune your axle position and pinion angle for proper function and control.

KIT CONTENTS:
-- Powdercoated trailing arms with forged bushings and provide adjustment from 24 5/8 in. to 25 1/2 in. in length
-- Trailing arm axle brackets for 3 in. axle tubes
-- Panhard bar max length 37 in.
-- 40 in. trailing arm crossmember
-- 40 in. shock crossmember and mounting tabs
-- All required hardware
-- NOTE: Single- or double-adjustable models also include coilover shocks