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 5×4-3/4″ 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
- 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.
- 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.
Fits
1970 Chevrolet Camaro Base
1970 Chevrolet Camaro RS
1970 Chevrolet Camaro SS
1970 Chevrolet Camaro Z28
1970 Pontiac Firebird Base
1970 Pontiac Firebird Esprit
1970 Pontiac Firebird Formula
1970 Pontiac Firebird Trans Am
1971 Chevrolet Camaro Base
1971 Chevrolet Camaro RS
1971 Chevrolet Camaro SS
1971 Chevrolet Camaro Z28
1971 Pontiac Firebird Base
1971 Pontiac Firebird Esprit
1971 Pontiac Firebird Formula
1971 Pontiac Firebird Trans Am
1972 Chevrolet Camaro Base
1972 Chevrolet Camaro RS
1972 Chevrolet Camaro SS
1972 Chevrolet Camaro Z28
1972 Pontiac Firebird Base
1972 Pontiac Firebird Esprit
1972 Pontiac Firebird Formula
1972 Pontiac Firebird Trans Am
1973 Chevrolet Camaro Base
1973 Chevrolet Camaro LT
1973 Chevrolet Camaro RS
1973 Chevrolet Camaro Z28
1973 Pontiac Firebird Base
1973 Pontiac Firebird Esprit
1973 Pontiac Firebird Formula
1973 Pontiac Firebird Trans Am
1974 Chevrolet Camaro Base
1974 Chevrolet Camaro LT
1974 Chevrolet Camaro Z28
1974 Pontiac Firebird Base
1974 Pontiac Firebird Esprit
1974 Pontiac Firebird Formula
1974 Pontiac Firebird Trans Am
1975 Chevrolet Camaro Base
1975 Chevrolet Camaro LT
1975 Chevrolet Camaro RS
1975 Pontiac Firebird Base
1975 Pontiac Firebird Esprit
1975 Pontiac Firebird Formula
1975 Pontiac Firebird Trans Am
1976 Chevrolet Camaro Base
1976 Chevrolet Camaro LT
1976 Chevrolet Camaro LT Rally Sport
1976 Chevrolet Camaro Rally Sport
1976 Pontiac Firebird Base
1976 Pontiac Firebird Esprit
1976 Pontiac Firebird Formula
1976 Pontiac Firebird Trans Am
1977 Chevrolet Camaro Base
1977 Chevrolet Camaro LT
1977 Chevrolet Camaro LT Rally Sport
1977 Chevrolet Camaro Rally Sport
1977 Chevrolet Camaro Z28
1977 Pontiac Firebird Base
1977 Pontiac Firebird Esprit
1977 Pontiac Firebird Formula
1977 Pontiac Firebird Trans Am
1978 Chevrolet Camaro Base
1978 Chevrolet Camaro LT
1978 Chevrolet Camaro LT Rally Sport
1978 Chevrolet Camaro Rally Sport
1978 Chevrolet Camaro Z28
1978 Pontiac Firebird Base
1978 Pontiac Firebird Esprit
1978 Pontiac Firebird Formula
1978 Pontiac Firebird Trans Am
1979 Chevrolet Camaro Base
1979 Chevrolet Camaro Berlinetta
1979 Chevrolet Camaro Rally Sport
1979 Chevrolet Camaro Z28
1979 Pontiac Firebird Base
1979 Pontiac Firebird Esprit
1979 Pontiac Firebird Formula
1979 Pontiac Firebird Trans Am
1980 Chevrolet Camaro Base
1980 Chevrolet Camaro Berlinetta
1980 Chevrolet Camaro Rally Sport
1980 Chevrolet Camaro Z28
1980 Pontiac Firebird Base
1980 Pontiac Firebird Esprit
1980 Pontiac Firebird Formula
1980 Pontiac Firebird Trans Am
1981 Chevrolet Camaro Berlinetta
1981 Chevrolet Camaro Sport
1981 Chevrolet Camaro Z28
1981 Pontiac Firebird Base
1981 Pontiac Firebird Esprit
1981 Pontiac Firebird Formula
1981 Pontiac Firebird Trans Am























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