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Vivid Racing Gear 
Upgrade Your 65-79 F-100 with the 52621-S400 Front Coil-Over Conversion Kit
When it comes to building your truck, every detail matters. The 52621-S400 Front Coil-Over Conversion Kit is designed with precision to modernize your 65-79 F-100, offering enhanced handling and performance without relying on outdated junkyard parts.
Key Features
- Custom Fit: Specifically engineered for 65-79 F-100 trucks, this system is 3.75" narrower than a Crown Vic, allowing for optimal handling and the ability to fit larger wheels and tires.
- Weight Savings: Enjoy a significant weight reduction of 150 lbs, which contributes to better performance and efficiency.
- Drop Options: Achieve a stunning drop of 3" to 5" with standard spindles or 5" to 7" with drop spindles for that perfect stance.
- Complete Package: The kit includes everything you need for installation, from upper and lower control arms to rack and pinion steering, ensuring a hassle-free upgrade.
Specifications
- Shocks: Comes with single adjustable shocks that are 100% dyno tested and serialized for quality assurance.
- Springs: High travel springs designed to provide better ride quality and handling.
- Control Arms: Both upper and lower control arms included for improved suspension geometry.
- Crossmembers: Upper and lower crossmembers included for added strength and stability.
- Spindles: Choose between stock or 2" drop spindles based on your desired ride height.
Installation Made Easy
Every component in the 52621-S400 kit is manufactured in QA1's Lakeville, Minnesota facility, ensuring high quality and durability. The kit comes with all necessary hardware, making installation straightforward and efficient.
Customer Insights
Many users have praised the 52621-S400 for its impressive handling capabilities and ease of installation. One customer noted that the kit transformed their truck's ride quality, allowing for a smoother and more responsive driving experience. Another user appreciated the comprehensive nature of the kit, highlighting how it included everything needed for a successful upgrade.
Fitment
This kit is perfect for all 1965-1979 Ford F-100 trucks, making it an ideal choice for enthusiasts looking to enhance their classic pickup.
Other Part Numbers:
QA1 #qap52621-S400
⚠ 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 | $4,491.65 |
| Shipping |
Weight: 162.00 Length: 99 Width: 63 Height: 31 |
| 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 | $3,806.48 | $4,758.10 | ? | $4,294.95 | ? | 2025-07-11 10:45:05 |
