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Vivid Racing Gear 
QA1 10CS300 Coil Springs: Performance Meets Durability
The QA1 10CS300 Coil Springs are designed for those who demand quality and performance from their suspension system. Available in a stunning chrome plated finish, these springs not only enhance the look of your vehicle but also deliver exceptional strength and longevity.
Key Features
- Spring Length: 10 inches
- Spring Finish: Chrome plated for a sleek appearance
- Spring Rate: 300 lbs/inch, providing the right balance of support and comfort
Quality Materials for Long-lasting Performance
Constructed from high-grade Chrome Silicon Steel (CrS), the QA1 10CS300 springs are engineered for high strength and consistent performance. These materials ensure that your springs can withstand the rigors of the road while maintaining their original integrity.
Manufacturing Excellence
Every QA1 coil spring undergoes a meticulous manufacturing process, including:
- Cold Wound: Ensuring precise dimensions and performance characteristics.
- Heat Treated: Enhancing strength and durability.
- Shot Peened: Increasing fatigue resistance for a longer lifespan.
Precision Engineering
With squared ends that are ground for accuracy, the QA1 10CS300 springs provide consistent and reliable operation. Each spring is clearly marked with its free length and spring rate, making it easy for you to identify the perfect fit for your vehicle.
Lifetime Guarantee
QA1 stands behind their products with a lifetime guarantee. The 10CS300 springs are guaranteed to remain within 2% of their original free height and rate under normal operating conditions, ensuring you can trust your investment.
Customer Reviews
Many users have praised the QA1 10CS300 Coil Springs for their outstanding performance and durability. Here are some insights from customers:
- "These springs have transformed my ride quality. The handling is much sharper, and they look fantastic!"
- "I installed the QA1 10CS300 on my classic car, and the difference was noticeable immediately. Highly recommend!"
- "Great springs! They hold up well under heavy loads, and I appreciate the chrome finish."
- "I've tried several brands, but QA1's quality is unmatched. These springs have held their height perfectly."
Specifications
| Specification | Details |
|---|---|
| Spring Length | 10 inches |
| Spring Finish | Chrome Plated |
| Spring Rate | 300 lbs/inch |
Fitment
The QA1 10CS300 Coil Springs are compatible with a range of vehicles, making them a versatile choice for enthusiasts looking to upgrade their suspension system. Ensure you check your vehicle's specifications for the perfect fit.
Upgrade your vehicle's suspension with the QA1 10CS300 Coil Springs and experience the difference in performance and style!
Other Part Numbers:
QA1 #qap10CS300
⚠ 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 | $79.96 |
| Shipping |
Weight: 4.00 Length: 11 Width: 4 Height: 4 |
| Product Added At | Sunday 09 August, 2020 |
| 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 | $67.76 | $88.57 | ? | $79.95 | ? | 2025-07-11 10:44:35 |
