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, easy-to-order kit from one source. This 4-link system is designed for the hardcore, do-it-yourself racer looking for a solution to take their vehicle to the next level. 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, with a wide range of instant center tuning and on-car adjustability. The components can be cut to length to work in any setup with 40 inch or narrower frame-rails. QA1's 7 inch travel, track-proven shocks round out the kit and offer adjustability for track conditions, and plenty of travel. Heavy Duty Design: This heavy-duty design can handle 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, shocks, springs, and uses a diagonal link for lateral locating. All components can be purchased individually if different configurations are required. Look to QA1 for components that will help in any drag race suspension. Kit Contents: 22 Trailing arms, brackets, rod ends, tube adapters 40 shock crossmember and mounting tabs 40 Diagonal link kit with mounting brackets Grade 8 hardware MOD Series 4-way Adjustable Coilover Shocks 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
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
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Price Match Guarantee:
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We reward enthusiasts who trust us with their major projects. Use these tiered codes at checkout to apply instant savings to your order:
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Fitment Guarantee:
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Avoid the headache of the wrong part. If you are unsure about compatibility, contact us first. If we verify the fitment for your vehicle via email and it doesn’t fit, we will handle the exchange at no cost to you.
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Unused items in brand-new, original packaging can be returned within 30 days. While standard refunds incur a 25% restocking fee, we will waive this fee entirely if you choose store credit or an exchange for your next upgrade.
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Exclusions:
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To ensure every customer receives brand-new, untampered components, parts that have been installed, modified, or used are non-returnable. Custom builds, special orders, and wheel/tire packages are considered final sale.
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Fitment Guarantee
Fitment guides and tools are helpful—but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double-check for you. We take the guesswork out of your purchase by standing behind our expertise.
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