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Vivid Racing Gear 
QA1 HD Pro Rear Drag 4-Link System for R170-150
Upgrade your R170-150 with the QA1 Heavy Duty Pro Rear Drag 4-Link system, designed specifically for serious racers who demand performance and reliability. This complete kit simplifies the fabrication process, providing everything you need to achieve professional-grade results right from one source.
Key Features
- Performance-Driven Design: Enjoy exceptional adjustability with a drag race-style 4-link setup, allowing for precise tuning of the instant center and on-car adjustments.
- Heavy-Duty Construction: Built to withstand high-performance racing demands, this system features 1-inch thick plates, 1-1/4 inch trailing arm tubes, and Grade 8 hardware for unmatched durability.
- Complete Kit: Includes all necessary components such as trailing arms, brackets, rod ends, and a diagonal link for lateral location, ensuring a straightforward assembly process.
- Customizable Fit: The trailing arm tubes and diagonal links can be cut to length, making it compatible with 3-inch axle tubes and frame rails 40 inches wide or narrower.
- Track-Proven Shocks: The kit comes with QA1's 7-inch travel, single adjustable coilover shocks, allowing for easy tuning based on track conditions.
Specifications
Kit Contents:
- 22 Trailing arms, brackets, rod ends, tube adapters
- 40 Shock crossmember and mounting tabs
- 40 Diagonal link kit with mounting brackets
- Grade 8 hardware
- Single Adjustable Coilover Shocks
Customer Feedback
Users have praised the QA1 HD Pro Rear Drag 4-Link for its robust build and ease of installation. Many have noted the significant improvements in launch stability and traction, making it a go-to choice for drag racing enthusiasts looking to optimize their R170-150's performance.
Fitment Notes
- Welding required for installation
- Compatible with 3-inch axle tubes
- Designed for 40-inch and narrower frame rails
For peace of mind, register your QA1 shocks at QA1.net/warranty for lifetime coverage. Elevate your drag racing experience with the QA1 HD Pro Rear Drag 4-Link System!
Other Part Numbers:
QA1 #qapR170-150
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
QA1 is a company that was founded in 1993. They specialize in manufacturing high-quality suspension parts, shock absorbers, composite driveshafts, bearings, steering components, and other related accessories. Their products are used in different industries such as the industrial, motorsports, and automotive sectors. Today, they are the leading manufacturer of OE parts in the market.
Suspension ExpertsThe company is best known for its motion control sub-assemblies and wide range of suspension systems. They are always searching for new ways to develop each component to enhance their products further.
State-of-the-Art FacilityThe company is housed in one of the most sophisticated facilities in the market to accommodate the increasing demands of its customers. With 100,000 square feet at their disposal, their facility contains high-tech equipment such as a CNC machine, laser cutting equipment, hydraulic presses, and filament windings. It allows them to manufacture the best product in the market.
QA1 is also one of the few companies that are ISO certified. It guarantees that their parts are manufactured consistently, following the standards put in place by the company and the regulators.
Purchase QA1 Products At Vivid RacingIf you are in the market for quality suspension parts for your vehicle, then QA1 is the brand for you. They have been manufacturing components for the last 28 years and have consistently given their customers parts that meet their demand. To know more about QA1, visit Vivid Racing and check out their list of parts that meet your demand.
| Sale price | None |
| Wholesale price | $1,263.77 |
| Shipping |
Weight: 48.50 Length: 62 Width: 14 Height: 7 |
| Product Added At | Monday 23 December, 2024 |
| Product Modified At | Friday 11 July, 2025 |
| Imported By | ETLOverride |
| Last Edited By | Turn_API |
| View In Admin |
| Carb Approved | - |
|---|---|
| Carb Number | - |
| Epa Status | N/A |
| Prop65 | Yes |
| Carb Required | - |
| Vendor | Inv | Cost | Retail | Jobber | MAP | Core | Updated | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Turn 14 | $1,070.99 | $1,369.23 | ? | $1,235.95 | ? | 2025-07-11 10:45:21 |
