QA1 70-81 GM F Body Double Adjustable Four Link Kit w/ OE Width 9in Housing

Additional Information

QA1 R257-170S Four Link Kit with OE Width 9in., 70-81 GM F Body, Double Adjust

Part Type

Coilover Adjustable Spring Lowering Kit

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

This item is available as a full kit.
Select a kit option in the following table if you are looking for this item in a bundle form with all associated components.

Kit option/s:

Thumb	SKU	Kit Title
	qapHK42-GMF2RS	QA1 Level 2 Full Vehicle Handling Suspension Kits for 1970-1974 CAMARO, FIREBIRD - HK42-GMF2RS Packages, Kits, Coilovers, 4-Link with 9 in. Housing, Control Arms, Subframe Connectors, Chevrolet, Pontiac, Kit

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Reference Information

Rear Suspension, 4 Link Conversion, Triangulated, Double Adjustable, 170 lbs/in, Springs, Black, Ford 9 in, Standard Axle, Chevrolet, Pontiac, Kit

QA1's 4-link conversion and standard Ford 9 in. axle kits give you everything you need to get your 2nd Gen Camaro or Firebird project on the road—fast. QA1 paired their 4-link suspension kit with a custom 9 in. rear housing for enthusiasts seeking top-tier performance and hassle-free installation. Your time is valuable, so say goodbye to hunting for junkyard rear ends or struggling with endless measurements and mismatched components—every component in this package is tested by QA1 to fit the first time. Each kit is engineered to deliver the performance, ride quality, and adjustability you need to handle serious power and aggressive driving—without the hassle of having to source each part.

Ultimate shock performance:

Ditch your leaf springs for QA1 MOD Series coilovers, triangulated 4-link suspension and an all-new narrowed 9 in. rear end. QA1's MOD shocks are designed to provide the ultimate in tunability and performance. With their four-way adjustable valving, remote nitrogen canisters, and huge dampening forces, QA1 MOD shocks deliver in any driving scenario.

QA1 4-link kits are fully engineered to provide ride height, ride quality and instant center adjustability. Whether you're after a lowered, aggressive look or need clearance for wider wheels and tires, QA1 systems deliver.

Easy installation:

QA1 is committed to delivering products that make upgrading your vehicle as simple as possible, and their 4-link kits with 9 in. housing are designed for a bolt-on installation, eliminating the need for custom fabrication.

Performance housing features:
• Fabricated center section engineered for maximum strength and durability
• Formed trailing arm brackets reduce flex under high loads, ensuring your suspension remains rigid
• Heavy-duty 3 in. OD, 1/4 in. wall axle tubes provide the durability needed for high-performance applications
• 31-spline 1541H alloy axles support up to 650 hp, with the housing handling up to 800 hp
• Durable semi-gloss powder coat finish offers long-lasting protection and a clean, sleek look
• Drain plug, fill plug, and Jack Pad come standard to make service a breeze
• Includes T-bolts and housing studs for assembling axle shafts and installing third members
• High-quality roller bearings for smooth operation and long-lasting reliability