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

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 performance adjustability and ride quality you need to handle serious power without ease. Eliminate Leaf Springs Upgrade from leaf springs to QA1's coilover 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 Best-in-Class Warranty QA1 shocks come with a Limited Lifetime Warranty when registered while 4-link and 9" components have a 1-year warranty for defects 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.; Adjustable Coilovers: Fine-tune your ride height and handling for a perfect stance and performance.; Easy Installation: Bolt-in design with minimal welding required reducing install time and effort.