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Vivid Racing Gear 
QA1 10HTSF550 High Travel Spring
Upgrade your vehicle's suspension with the QA1 10HTSF550 High Travel Spring. Designed for performance enthusiasts, this spring offers a perfect balance of strength and lightweight construction, making it an ideal choice for those who demand more from their ride.
Key Features
- Length: 10 inches
- Spring Rate: 550 lbs/in
- Spring Style: B (3.5" upper I.D. - Flat; 2.5" lower I.D.)
- Material: High-tensile chrome silicon alloy spring wire
- Finish: Silver powder coated for durability
- Manufacturing: Made in the USA
Benefits of the 10HTSF550
The QA1 10HTSF550 springs are engineered to provide exceptional performance on the road or track. Their unique design features fewer coils and a smaller wire diameter, resulting in:
- Reduced Unsprung Weight: Lighter springs lead to quicker reactions and improved handling.
- Increased Travel: The larger distance between coils allows for greater suspension travel.
- Enhanced Fatigue Life: High-grade materials and meticulous heat-treating ensure longevity.
- Consistent Performance: Springs maintain their free height and rate within 2% under normal conditions, backed by a lifetime guarantee.
Advanced Manufacturing Process
QA1 takes pride in its manufacturing process, ensuring every spring is crafted for precision and durability:
- Cold Wound: Each spring is cold wound to ensure uniformity.
- Heat Treated: This process improves strength and performance.
- Shot Peened: Enhances fatigue resistance for long-lasting use.
- Squared Ends: Both ends are ground for straight, consistent operation.
Specifications
- Spring Length: 10 inches
- Spring Rate: 550 lbs/in
- Spring Style: B (3.5" upper I.D. - Flat; 2.5" lower I.D.)
Customer Reviews
Users have praised the QA1 10HTSF550 for its impressive performance and durability:
"These springs transformed my vehicle's handling. The responsiveness is incredible, and I can feel the difference in every turn!"
"I've tried several springs, but none compare to the QA1. The build quality is top-notch, and they hold up well under pressure."
"The 10HTSF550 springs are a game changer. They provide the perfect balance of comfort and performance on the track."
Fitment
The QA1 10HTSF550 is compatible with a variety of applications, making it a versatile choice for performance upgrades. Ensure a proper fit by consulting your vehicle's specifications.
Other Part Numbers:
QA1 #qap10HTSF550
⚠ 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 | $99.96 |
| Shipping |
Weight: 7.20 Length: 12 Width: 5 Height: 5 |
| Product Added At | Monday 29 January, 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 | $84.71 | $110.73 | ? | $99.95 | ? | 2025-07-11 10:44:44 |
