QA1 Four Link Kit With OE Width 9In (1970-1981 Firebird, Camaro) - R357-170S
Product Overview QA1's all-in-one solution is a perfect upgrade for your 2nd Gen Camaro or Firebird. 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 measurements—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. 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. Performance 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 61-1/8 factory 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 Stock-width housing recommended for stock wheel tubs Welding required QA1 Subframe Connectors recommended May need exhaust modification
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 specializes in providing performance shocks
suspension components
carbon fiber driveshafts
rod ends
ball joints and more to a variety of automotive markets
including circle track racing
drag racing
street performance
and street rodding. With over 83
000 square feet of manufacturing space in Lakeville
MN
QA1 is proud to offer an extensive line of American-made suspension and driveline. Founded in 1993 by Jim Jordan
QA1 introduced rod ends and spherical bearings specifically for the performance racing industry
quickly becoming the #1 name in rod ends
spherical bearings
custom linkages and similar products to the motorsports industry. Always on the cutting edge of technology
QA1 recently introduced in-house filament winding of carbon fiber and similar materials to provide driveshafts and other products. With continued focus on fine-tuning and expanding its offering of American-made high performance suspension components and carbon fiber driveshafts
QA1 has grown to be a household name in the performance aftermarket.
