Suspension Packages

Bolt-On 4-Link with double adj. bars for 1955-1957 Bel Air with 2 piece frame. Includes R-Joints, bars, diagonal link, bolt-on cross member and weld-on axle brackets. Coated black. For use with Shockwaves or Coil-Overs, sold separately.This Part...

Bolt-On 4-Link with double adj. bars for 1955-1957 Bel Air with 1 piece frame. Includes R-Joints, bars, diagonal link, bolt-on cross member and weld-on axle brackets. Coated black. For use with Shockwaves or Coil-Overs, sold separately.This Part...

HD universal 4-Link for 4" diameter axle, weld-on. Includes 1.5" bars with R-Joint XL, 2107 air springs and brackets. Shocks and panhard bar kit sold separately.

Product Overview Ditch those clunky leaf springs and take control of your F-body with QA1's coilovers and triangulated 4-link. This upgrade improves ride quality, enhances handling performance, and enables you to dial in the perfect stance. With the...

PRODUCT OVERVIEW: QA1's Pro Rear Parallel 4-Link system with Panhard Bar Kit simplifies the fabrication process for vehicles that lack aftermarket support and offers an easy solution that provides ride height adjustability, packages easily, and offers a...

Product Overview Ditch those clunky leaf springs and take control of your X-Body with QA1's coilovers and triangulated 4-link. This upgrade improves ride quality, enhances handling performance, and enables you to dial in the perfect stance. With the...

Product Overview QA1's all-in-one solution is a perfect upgrade for your 1st 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...

Product Overview Ditch those clunky leaf springs and take control of your F-body with QA1's coilovers and triangulated 4-link. This upgrade improves ride quality, enhances handling performance, and enables you to dial in the perfect stance. With the...

Convert your classic Dodge Challenger and Plymouth Barracuda from leaf spring rear suspension to a QA1 coil-over kit that uses a triangulated 4 link design. This is the best way to gain a more planted feel, make room for larger wheels and tires and...

Convert your classic Dodge Charger, Dodge Coronet, and and Plymouth Belvedere from leaf spring rear suspension to a QA1 coil-over kit that uses a triangulated 4 link design. This is the best way to gain a more planted feel, make room for larger wheels...

Convert your classic Dodge Coronet, Dodge Dart, and Plymouth Fury from leaf spring rear suspension to a QA1 coil-over kit that uses a triangulated 4 link design. This is the best way to gain a more planted feel, make room for larger wheels and tires and...

Add modern performance to a pickup that was designed for utility ? all without removing the bed of the truck. QA1 engineered a unique design offering 4" to 7" drop that maximizes performance without the inherent binding issues of other 4-link systems...