Skip to main content
QA1

  • Compare
  • Sign in
  • Find a dealer

  • Products
    • All Products
    • Shocks & Struts
      • All Shocks & Struts
      • Drag & Street
      • Circle Track
    • Suspension Kits & Systems
      • All Suspension Kits & Systems
      • Full Vehicle
      • Front
      • Rear
    • Suspension Components
      • All Suspension Components
      • 9" Rear End Housings and Axles
      • Universal Coilover Packages
      • Caster Camber Plates
      • Control Arms
      • Engine Mounts
      • Vehicle Crossmembers
      • Panhard Bars
      • Rear Trailing Arms
      • Spindles
      • Chassis Stiffening
      • Sway Bars
      • Accessories
    • DIY Suspension Parts
      • All DIY Suspension Parts
      • HD Pro Rear Drag 4-Link Systems
      • Pro Rear Parallel Four Link Systems
      • HD Pro Rear Triangulated 4-Link Systems
      • Weld-In Coilover Systems
      • Custom Mount Coilover Shocks
      • Universal Coilover Packages
      • Mustang II Coilover Shocks
      • Shock Mount Tabs and Coilover Brackets
      • Diagonal Links and Panhard Bars
      • 2 1/2" I.D. Coil Springs
      • X Series Rod Ends
      • Jam Nuts
      • Tube Adapters
      • Rod End Spacers
    • Springs
      • All Springs
      • Tapered Pro Coil
      • 2-1/2 Inch ID
      • 2-1/4 Inch ID
      • 1-7/8 Inch ID
    • Proforged Steering Kits
    • Brake Kits
      • All Brake Kits
      • Front Brake Kits
      • Rear Axle Brake Kits
      • Brake Accessories
    • Ball Joints
      • All Ball Joints
      • Assembled Ball Joints
      • Housings
      • Studs
      • Accessories & Tools
    • Rod Ends & Linkages
      • All Rod Ends & Linkages
      • Inch Rod Ends
      • Metric Rod Ends
      • Spherical Bearings
      • Linkages & Accessories
    • Merchandise
    • Carbon Fiber Driveshafts
      • All Carbon Fiber Driveshafts
      • Direct Fit
      • Circle Track
  • Vehicles
    • All Vehicles
    • GM
      • All GM
      • Car
      • Truck
    • Ford
      • All Ford
      • Car
      • Truck
    • Mopar
      • All Mopar
      • Car
      • Truck
  • OEM / Industrial
    • View All Solutions
    • Rod Ends & Bearings
    • Shock Absorbers
    • Suspension Systems
    • Industries Served
    • OEM/Industrial Resources
    • Contact OEM Experts
  • Markets
    • Trucks
    • Street Performance
    • Handling
    • Drag Racing
    • Big Wheel
    • Circle Track
  • Resources
    • Blog
    • Careers
    • Frequently Asked Questions
    • Spring Rate
    • Catalog Download
    • Dealers
    • Contact QA1
    • Newsletter
  • New Products
  • Sign in or Register

NEW PRODUCTS

Explore the latest QA1 products engineered for precision fit, adjustable performance, and confidence from the street to the track.

QA1 S10 Handling Kit suspension parts

S-10 SUSPENSION & STEERING KITS

1982-2003 Chevy S-10


Our latest direct-fit suspension kits for 1982–2003 Chevy S-10 pickups deliver a complete solution engineered to transform stance, ride quality, and performance. Designed as an all-in-one system to take the guesswork out of upgrading your truck.

 

What you’ll get:

- Purpose-built components engineered to work together for improved handling and a more responsive driving feel
- A bold, dialed-in stance that looks aggressive without sacrificing ride comfort
- Multiple kit configurations available to match your performance goals and build style

 

Key features include:

- Adjustable coilover shocks for precise ride quality and stance tuning
- Tubular control arms for increased strength and optimized suspension geometry
- Front sway bar to reduce body roll and sharpen cornering response
- Drop spindles engineered to maintain proper steering geometry at lowered ride heights
- Rear leaf springs with built-in drop while preserving ride quality
- Fully engineered front and rear system for predictable, confidence-inspiring performance

 

SHOP S-10 KITS
Classic mustang suspension kit 4-link 9in housing

EARLY MUSTANG SUSPENSION SYSTEMS

1964-1970 Classic Mustang


Get ready for the most complete suspension upgrade lineup ever offered for classic Mustangs. QA1’s upcoming release is engineered to modernize your vintage pony car without sacrificing its iconic soul. The lineup includes: 

 

- Full-Vehicle Handling Kits – Complete, bolt-on suspension systems for ’64–’70 Mustangs
- Front & Rear Suspension Components – Control arms, sway bars, subframe connectors, and more
- 4-Link Rear Systems – Maximum traction, adjustability, and performance
- Pro Coil Coilover Systems – Adjustable ride height and damping for the perfect stance and control

 

SHOP EARLY MUSTANG KITS
QA1 coilovers

UNIVERSAL COILOVER KITS


The QA1 Coilover Shock and Spring Packages offer a convenient, easy to order, pair of shocks and their corresponding springs.  

 

These coilover kits combine our best selling shocks and springs together as one package that makes ordering more convenient and streamlined.  Also included are a set of spanner wrenches and thrust bearings to make your ride height adjustments, and ensure you have everything you need to finish the job.

 

Select from either single or double adjustable valving, along with your required spring rate, and you have a quick and easy way to equip your vehicle with coilovers!

 

SHOP UNIVERSAL COILOVERS
1999-2006 Silverado / Sierra Suspension Kit and Parts by QA1

NBS SILVERADO SUSPENSION SYSTEMS

1999-2006 Silverado & Sierra


These suspension kits are a complete, bolt-on solution designed for 2WD short and long bed Silverado and Sierra models. This kit includes QA1's front Pro Coil system, drop spindles, upgraded control arms, beefy sway bars front and rear, and a torque arm rear suspension system.

 

- Available with QA1's single or double adjustable coil-overs give you 18 clicks of tuning and up to 4"–7" of drop, so you can dial in ride quality and stance
- A multi-link torque arm replaces leaf springs to improve traction, ride quality, and control—engineered specifically for '99–'06 GM trucks.
- Tubular control arms, drop spindles, and front and rear sway bars improve suspension geometry and reduce body roll for a more stable ride.
- All components are bolt-in and powder-coated for lasting durability and easy installation.

SHOP NBS TRUCK KITS
Four Link Kit with Narrowed 9in.

9" HOUSINGS & REAR 4-LINK KITS

67-69 F-BODY & 68-72 X-BODY


QA1's one-click solution gives you everything needed to get your 67-81 F-Body or 68-72 X-body project on the road—fast. We’ve combined our GM F-Body Rear 4-Link Suspension Kit with a QA1 9" rear housing for top-tier performance and easy installation. 


- Complete Kit: Includes QA1’s 9" rear housing and triangulated 4-link, designed for a perfect fit in F-body and X-body vehicles.
- Adjustable Coilovers: Fine-tune your ride height and handling for a perfect stance and performance.
- Wider Wheel Fitment: Narrowed options support wider wheels and tires with mini tubs for better traction and a more aggressive look.
- Easy Serviceability: Convenient access with a dedicated fill port, drain plug, vent port, and jack plate for easy rear-end maintenance.
- Easy Installation: Bolt-in design with minimal welding required, reducing install time and effort.

 

VIEW 4-LINK KITS WITH 9" HOUSINGS
Third Gen GM F-Body Handling Kit by QA1

THIRD GEN F-BODY SUSPENSION KITS

1982-1992 CAMARO / FIREBIRD


Upgrading the '82-'92 GM F-Body used to be challenging with compatibility issues from mixing parts. QA1's Suspension Kits solve this by offering a complete, easy-to-install solution for upgrading Camaros or Firebirds. Designed for both street and track performance, these kits guarantee seamless performance from front to back. 

 

- Comfort and Performance: Adjustable shocks and struts for fine tuning suspension feel and performance.
- Easy Engine & Transmission Swaps: Lightweight tubular k-member with interchangeable mounts.
- Stiffen Your Chassis: Wonder Bar and subframe connectors enhance frame rigidity.
- Easy Installation: Fully bolt-in design for a hassle-free install.
- Made in the USA: Proudly manufactured in Lakeville, Minnesota.
 

VIEW 3RD GEN F-BODY SUSPENSION
Complete A-Body Suspension Kit

BIG WHEEL A-BODY SUSPENSION KITS

CHEVELLE, MALIBU, GTO, CUTLASS


Fit larger wheels on your Chevelle, Malibu, GTO, or Cutlass with a complete bolt-in suspension system. Designed for 22” wheels, this system ensures your car sits right and rides better.

 

- Complete bolt-in system
- Adjustable front and rear coil-overs for improved ride and stance
- Adjustable trailing arms for precise wheel fitment
- Made in the USA

VIEW BIG WHEEL A-BODY KITS

HD PRO REAR TRIANGULATED 4-LINK KIT

CUSTOM BUILDS


Designed for the DIY enthusiast seeking a custom rear suspension solution, QA1's DIY Triangulated 4-link kits deliver professional-grade performance and handling performance in a user-friendly package. This system offers exceptional results without the hassle of building everything from scratch. High-quality, MIG-weldable components ensure a safe and well-engineered design adaptable to almost any vehicle. 

VIEW TRIANGULATED 4-LINK KITS
Assembled QA1 4 Link Suspension Kit

REAR 4-LINK SUSPENSION SYSTEM

1970-1981 CAMARO / FIREBIRD


Take control of your 2nd Gen F-Body's suspension with QA1's coilover and triangulated 4-link kit. Removing those bulky leaf springs allows you to experience a smoother ride, sharper handling, and a fully adjustable stance. Plus, this kit lets you fit wider wheels and tires, enhancing both performance and achieving that aggressive look.

VIEW 2ND GEN 4-LINK KITS
Assembled DIY 4 link suspension kit

PRO REAR DRAG 4-LINK SYSTEM

CUSTOM BUILDS


QA1's Heavy Duty Pro Rear Drag 4-link System streamlines the fabrication process, delivering professional-grade results and performance in a convenient and easy-to-order kit all from one source. High quality, MIG-Weldable components ensure a safe and properly engineered design that can be easily adapted into many drag racing setups. Find convenience, safety, and performance all from QA1 with the HD Pro Rear Drag 4-Link.

VIEW CUSTOM BUILD 4-LINKS
QA1 4-Link Suspension Kit for First Gen Camaro

REAR 4-LINK SUSPENSION SYSTEM

1967-1969 CAMARO / FIREBIRD


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 added benefit of accommodating wider wheels and tires, this kit is the ideal solution for your car.

VIEW 1ST GEN 4-LINK KITS
!

Footer Start

QA1 Contact Us Customer Support Monday-Friday 9AM - 5PM CST Shipping & Receiving: Monday-Friday 7AM - 3:30PM CST Phone: 952-985-5675
ISO 9001:2015 Certification intertek Certified WBENC Women's Business Enterprise

Company

  • About QA1
  • Quality
  • Careers
  • Events
  • News
  • Contingency Programs
  • QA1 Logos

Customer Support

  • Frequently Asked Questions
  • Resources
  • Warranty Registration
  • Shipping & Returns

Dealers

  • Find a Dealer
  • Become a Dealer
  • Catalog Request & Download

Sign up for the latest QA1 news.

Get notified about new products, tech tips and more.

  • Privacy Policy
  • |
  • Terms and Conditions

© Copyright 2026 QA1. All Rights Reserved