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Suspension and Components Suspension Tubes and Components

QA1 Precision Products, Inc

QA1 68-72 GM X-Body Mod Series Four Link Kit w/ Narrowed 9in

$6,350.81 $5,856.86 Save $493.95

SKU: Q00B R358-170N

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: R358-170N

Product Overview QA1's all-in-one solution is a perfect upgrade for your 68-72 X-Body Nova. We've combined our 4-Link Suspension Kit with a QA1 9" rear housing to deliver top-tier performance and easy installation. No more scavenging for parts or struggling with measurementseach component is designed for a perfect fit, tested by QA1 to ensure hassle-free installation. Enjoy the performance, adjustability, and ride quality you need to handle serious power without ease. Eliminate Your Leaf Springs Upgrade from leaf springs to QA1 MOD shocks and triangulated 4-link suspension providing ride height, ride quality, and instant center adjustment for an aggressive stance and added performance. Easy Installation Our 4-Link Kit with 9" housing makes for an easy installation eliminating the need for custom fabrication which gets you on the road faster. Narrowed 9 Housing Fabricated Center Section: Maximized strength and durability Formed Trailing Arm Brackets: Minimize flex under heavy loads Heavy-Duty 3" Axle Tubes: Built for high-performance 31-Spline Axles: Support up to 650HP, with housing rated up to 800HP Durable Powder Coat: Sleek and long-lasting finish Convenient Maintenance: Drain plug, fill plug, and jack pad included T-bolts, studs, and high-quality roller bearings for smooth assembly and operation Helpful Specs 54-3/4 narrowed wheel mounting width Big Ford New Style Torino Flanges for brake compatibility 5x4-3/4 bolt pattern, ideal for a range of wheels x 3 wheel studs for alloy wheels Ultimate Shock Performance QA1 MOD shocks offer 4-way adjustability for the highest demands in performance and tuning Made in the USA QA1 4-link and 9" housings are proudly made in the USA Fitment Notes Confirm wheel and tire fitment before install Center section not included Narrow housing recommended for mini tubs Welding required QA1 Subframe Connectors recommended May need exhaust modification

Features:

  • Complete Kit: Includes QA1's 9" rear housing and triangulated 4-link, designed for a perfect fit
  • Easy Serviceability: Convenient access with a dedicated fill port, drain plug, vent port, and jack plate for easy rear-end maintenance
  • QA1 MOD Shocks: Fine-tune your ride height and handling for a perfect stance and performance in any driving scenario
  • Easy Installation: Bolt-in design with minimal welding required, reducing install time and effort

QA1 R358-170N Four Link Kit with Narrowed 9in., 68-72 GM X Body, MOD Series

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

MIA's Description

QA1's all-in-one solution is a perfect upgrade for your 68-72 X-Body Nova. We've combined our 4-Link Suspension Kit with a QA1 9" rear housing to deliver top-tier performance and easy installation. Each component is designed for a perfect fit, tested by QA1 to ensure hassle-free installation. Enjoy the performance, adjustability, and ride quality you need to handle serious power without ease.

Fitment

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Specifications

BrandQA1 Precision Products, Inc
Part NumberQ00B R358-170N

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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