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Vivid Racing Gear 
QA1 12HT550 High Travel Coil Spring
Upgrade your suspension system with the QA1 12HT550 High Travel Coil Spring, designed for those who demand performance and durability. This spring offers a perfect blend of strength and lightweight construction, making it an ideal choice for both casual drivers and serious racers.
Key Features
- Length: 12 inches
- Spring Rate: 550 lbs
- Inner Diameter: 2.5 inches
- Material: Chrome silicon alloy
- Finish: Silver powder coat
Performance Benefits
The QA1 12HT550 spring is crafted from high-tensile chrome silicon alloy, allowing for a lighter design with fewer coils and a smaller wire diameter. This innovative construction leads to:
- Reduced unsprung weight for quicker reactions during suspension travel.
- Increased travel due to the larger spacing between coils, enhancing overall handling.
- Improved fatigue life thanks to meticulous heat-treating and post-processing techniques.
Precision Engineering
Every QA1 spring is engineered with precision in mind:
- Ground at both ends for straight and consistent operation.
- Clearly marked with free length and spring rate for easy identification.
- Lifetime guarantee to stay within 2% of original free height and rate under normal operating conditions.
Fitment
The 12HT550 is suitable for various applications, making it a versatile choice for performance enthusiasts. Whether you're upgrading your daily driver or enhancing your race vehicle, this spring fits the bill.
Customer Feedback
Users have praised the QA1 12HT550 for its remarkable performance and durability. Many have noted the significant improvement in handling and ride quality, making it a must-have for anyone looking to optimize their suspension setup.
Why Choose QA1?
When it comes to suspension components, QA1 stands out for its commitment to quality and performance. Proudly made in the USA, QA1 products are built to last, ensuring you get the best out of your vehicle.
Other Part Numbers:
QA1 #qap12HT550
⚠ 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 | $74.95 |
| Shipping |
Weight: 7.30 Length: 15 Width: 4 Height: 4 |
| 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 | $63.52 | $83.03 | ? | $74.95 | ? | 2025-07-11 10:44:59 |
