QA1 · New
QA1 70-81 GM F Body Double Adjustable Four Link Kit w/ OE Width 9in Housing
MPN R257-170S · Store SKU qapR257-170S
Supplier stock checked 11/7/2026, 9:31:37 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Oversized / freight item — shipping is quoted separately. Free shipping does not apply. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
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 QA1 4-link and 9" housings are 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 QA1 R257-170S Four Link Kit with OE Width 9in., 70-81 GM F Body, Double Adjust QA1 R257-170S Four Link Kit with OE Width 9in
Manufacturer fitment & guides
Check R257-170S against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Freight shipping required.
- California Proposition 65: Y