Suspension Handling Kit - 4-Link System - Brackets / Crossmember / Hardware / Trailing Arms Included - Steel - Natural - Kit

QA1 HD Pro Rear Drag 4-Link System - No Shocks/Springs

Product Overview QA1's Heavy Duty Pro Rear Drag 4-link System 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 and uses a diagonal link for lateral locating of the axle. However, all components can be purchased individually as well if different configurations are required for a particular build. Look to QA1 for components that will help with any drag race suspension setup. Look to the provided dimensional diagrams to help with your custom install Kit Contents 22 Trailing arm tubes, brackets, rod ends, tube adapters 40 shock crossmember and mounting tabs 40 Diagonal link kit with mounting brackets Grade 8 hardware Made in the USA Fitment Notes Welding required Trailing arm tubes and diagonal links can be cut to length Works with 3 in. axle tubes Works on 40 in. and narrower frame rails

Additional Information

QA1s Heavy Duty Pro Rear Drag 4-link System streamlines the fabrication process, delivering professional results and performance in a convenient and easy-to-order kit.

Part Type

Coilover Adjustable Spring Lowering Kit

• Best-in-class warranty
• Heavy-duty design
• Includes all hardware
• Made in the USA
• Streamline your custom fabrication process
• Wide range of tunability

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 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 Drag, Parallel, Diagonal Link, Shock Mounts, Weld-On, Universal, Kit

QA1 HD Pro rear drag 4-link kits are built to put down serious power! Streamlining the fabrication process, these systems deliver professional-grade results and performance in a convenient, easy-to-order kit. They are 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.

Offered with or without QA1's MOD Series 4-way adjustable coilover shocks, or 7 in. travel, track-proven single or double adjustable coilover shocks, each kit contains high-quality, MIG-weldable components to ensure a safe and properly engineered design that can be easily adapted into many drag racing setups. A components kit is also offered without coilover shocks and lateral locating device. Find convenience, safety, and performance all in a QA1 HD Pro rear drag 4-link system. Select the kit best suited to your drag race suspension setup.

Features, benefits, and contents:
• Drag race-style 4-link design:
-- Performance and adjustability
-- Wide range of instant center tuning and on-car adjustability
-- Components can be cut to length
-- 40 in. or narrower frame rails
• 1/4 in. thick plates
• 1 1/4 in. diameter, 22 in. length trailing arm tubes
• Grade 8 hardware
• QA1 chromoly rod ends
• 40 in. shock crossmember and mounting tabs
• 40 in. diagonal link kit with mounting brackets (not in components kit)