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Vivid Racing Gear 
QA1 Rear Coil-Over Conversion Kit for 1973-1979 F-100 Long Wheelbase Trucks
Upgrade your classic F-100 with the QA1 Rear Coil-Over Conversion Kit, specifically designed for 1973-1979 long wheelbase trucks. This innovative system features a unique torque arm design that enhances performance while eliminating the binding issues common in other setups. Enjoy a customizable drop of 4" to 7" for an aggressive stance without compromising ride quality.
Key Features:
- Adjustable Components: The kit includes a watts link, torque arm, trailing arms, and single-adjustable shocks, all of which can be fine-tuned for your driving style.
- Versatile Shocks: The single-adjustable shocks are perfect for street-driven trucks that occasionally hit the track. Easily switch from a soft ride for cruising to a firmer setup for spirited driving on twisty roads.
- Limited Lifetime Warranty: Register your shocks to enjoy a best-in-class warranty, ensuring peace of mind with your investment.
- Compact Watts Link Design: This design keeps your rear end housing centered, preventing tire rub against the bed and allowing space for rear-exiting exhaust systems.
- Adjustable Trailing Arms: Tailor your wheelbase for perfect wheel and tire fitment, enhancing both aesthetics and performance.
- Easy Installation: The kit comes powder-coated and includes all necessary hardware, making it a straightforward bolt-in solution for your garage or local shop.
Specifications:
- Application: 1973-1979 Ford F-100 Long Wheelbase Trucks
- Axle Compatibility: Designed for stock '73-'79 F100/F150 9" axle with iron 3rd member, as well as direct-fit aftermarket 9" axles with iron 3rd member. Note: Aluminum 3rd members are not compatible.
- Spring Rate: 200 lb. high travel springs
Customer Feedback:
Users appreciate the noticeable improvement in handling and ride quality after installing the QA1 kit. Many have highlighted how easy it is to adjust the shock settings, allowing them to switch between a comfortable ride and a sporty feel with just a twist of the knob. The fitment has been praised for its precision, ensuring that the components work seamlessly with the classic F-100 design.
Made in the USA, the QA1 Rear Coil-Over Conversion Kit is the perfect enhancement for your 1973-1979 F-100 long wheelbase truck, combining performance, adjustability, and ease of installation.
Other Part Numbers:
QA1 #qapR122-200
⚠ 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 | $2,875.90 |
| Shipping |
Weight: 51.00 Length: 63 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 | $2,437.20 | $3,046.50 | ? | $2,749.95 | ? | 2025-07-11 10:45:15 |
