QA1 Four Link Kit

Additional Information

QA1 R158-170 Four Link Kit, 68-72 GM X Body, Single Adjust

Part Type

Coilover Adjustable Spring Lowering Kit

• Accommodates wider wheels and tires (up to 11-inch-wide wheels and 315mm tires) for an aggressive stance
• Adjustable ride height for dialing in the perfect stance (+2 to -3 inches).
• Easy installation and adjustment with minimal welding and no floor pan modifications required.
• Improves ride quality and handling performance with advanced coilovers and a 4-link suspension.
• Made in the USA with a best-in-class lifetime warranty for QA1 shocks

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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

REAR SUSPENSION, 68-72 GM X-BODY, 68-72 GM X-BODY, S-ADJ, 12-170

Ditch those clunky leaf springs and take control of your rear suspension with QA1's coilovers and triangulated 4-link conversion kits. This upgrade improves ride quality, enhances handling performance, and enables you to dial in the perfect stance. With the added benefit of accommodating wider wheels and tires, this kit is the ideal solution for your car.

QA1's 4-link conversion kits deliver handling control without compromising your daily comfort. Perfect for both street and track use, adjustable shocks are famous for their tunability, giving you exceptional handling and control and finer control over your suspension. Available with single adjustable, double adjustable, or MOD series shocks.

Thoughtful design meets effortless installation requiring minimal welding. You'll experience a painless installation and setup process, where adjusting ride height, pinion angle, or wheelbase is as simple as a few tweaks – no link removal required. No modifications to floor pan required.