Product Details
QA1's all-in-one solution is a perfect upgrade for your 1970-1981 Pontiac 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 measurementsGEach 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'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. 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 56-1/8" 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 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
Standard Features
- Complete Kit: Includes QA1G??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.
Specifications
| Part Number | R257-170N |
| Part Name | Four Link and Axle |
| UPC | 806990059802 |
| Vehicle | 1970-1981 Pontiac Firebird |
| Adjustment Type | 2-Way |
| Spring Rate - Front | 170 lbs/in |
Vehicle Fitment
- 1970 Pontiac Firebird
- 1971 Pontiac Firebird
- 1972 Pontiac Firebird
- 1973 Pontiac Firebird
- 1974 Pontiac Firebird
- 1975 Pontiac Firebird
- 1976 Pontiac Firebird
- 1977 Pontiac Firebird
- 1978 Pontiac Firebird
- 1979 Pontiac Firebird
- 1980 Pontiac Firebird
- 1981 Pontiac Firebird