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QA1 Coilover Spring - 3.570 ID x 10 450# Silver P/C - 10HTSP450

QA1 10HTSP450 High Travel Spring

Product Overview

The QA1 10HTSP450 High Travel Spring is a meticulously engineered component designed to enhance your vehicle's suspension system. With a length of 10 inches and a spring rate of 450, this spring is perfect for those seeking superior performance and reliability.

Key Features

  • Length: 10 inches
  • Spring Rate: 450 lbs/in
  • Spring Style: A (3.5" upper I.D. with pigtail; 2.5" lower I.D.)
  • Material: High-tensile chrome silicon alloy spring wire
  • Finish: Silver powder coated
  • Manufacturing: Cold wound, heat treated, and shot peened for durability
  • Guaranteed Performance: Lifetime guarantee to remain within 2% of original free height and rate

Benefits of QA1 10HTSP450

Crafted from high-quality chrome silicon steel, the QA1 10HTSP450 spring offers exceptional strength and longevity. The innovative design features fewer coils and a smaller wire diameter, resulting in a lighter spring that reduces unsprung weight. This means quicker reactions and improved suspension performance on various terrains.

The coil design allows for compression to coil-bind without compromising the spring rate or free height, ensuring consistent performance under pressure. Plus, the squared ends are ground for precision, providing straight, reliable operation.

Specifications

This high travel spring is proudly made in the USA and is marked for easy identification of its specifications:

  • Spring Length: 10 inches
  • Spring Rate: 450 lbs/in
  • Upper I.D.: 3.5 inches (pigtail)
  • Lower I.D.: 2.5 inches

Fitment

The QA1 10HTSP450 is designed to fit a variety of applications, making it an excellent choice for performance enthusiasts looking to upgrade their suspension system. Its compatibility and performance capabilities ensure a smooth ride and superior handling.

Customer Insights

"The QA1 10HTSP450 springs completely transformed my vehicle's handling. The lighter weight and increased travel make a noticeable difference on the track!"

"I appreciate the attention to detail in the manufacturing process. These springs have held up under heavy use and still perform like new!"

Other Part Numbers:
QA1 #qap10HTSP450

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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Who is QA1?

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 Experts

The 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 Facility

The 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 Racing

If 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.



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Things
Sale price None
Wholesale price $99.96
Shipping Weight: 6.30
Length: 10
Width: 5
Height: 5
Product Added At Sunday 09 August, 2020
Product Modified At Friday 11 July, 2025
Imported By ETLOverride
Last Edited By Turn_API
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Emissions Info
Carb Approved -
Carb Number -
Epa Status N/A
Prop65 Yes
Carb Required -
Vendors
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Vendor Inv Cost Retail Jobber MAP Core Updated
Turn 14 $84.71 $110.73 ? $99.95 ? 2025-07-11 10:44:35

Manufacturer Direct Shipping
This item is available for direct shipping from the manufacturer. Please verify stock availability with the manufacturer. Once confirmed, you can place an order through [Meyer Distributing], who will arrange for dropshipping from the manufacturer directly to our customer.

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