Description

Coil-Over Kit – 2.5 in ID Spring – Aluminum – Black Anodized / Natural – QA1 HD / HS / HR Series Struts – Kit

Why Choose Us?



Frequently Asked Questions​

As an Authorized Automotive Retailer in the United States, we take pride in guaranteeing 100% authentic products from all brands available on our website. With partnerships spanning 1,000+ brands and a network of 20+ distributor warehouses nationwide, we maintain millions of auto parts in inventory across the USA, ensuring quick shipping and reliable service to our customers. When you shop with us, you're investing in quality and trust.
We believe we have the fastest backorder system in the U.S. auto parts industry, thanks to our strong partnerships with brands and vendors. Nearly all backordered auto parts are shipped directly by the vendors without any additional delays, or they are placed as special orders on the same day. In most cases, backordered parts are delivered within 5-10 days.
We offer unbeatable prices and the best shipping rates on auto parts, with exclusive protection and insurance included to safeguard your order from damage or loss. Enjoy convenient door-to-door delivery, real-time tracking, and our 100% satisfaction guarantee for a smooth, worry-free experience.
Our standard shipping typically takes 1-3 business days. We will provide estimated shipping time for each product. While we aim to deliver as quickly as possible, this timeframe ensures all orders are processed, prepared, and dispatched with care. If the products are not ready for shipping in 72 hours, we will refund you 100%
Absolutely. Once your order is dispatched, you’ll receive an email with tracking details, so you can follow your shipment every step of the way. Every step of shipping process will be sent through email notifications or using tracking page.
Every product page includes a stock level indicator to show what’s available. We always update the inventory 24/24. We’ll be happy to check availability and provide updates on new stock arrivals if you need a help.
We’re sorry to hear that your order wasn’t delivered in perfect condition. Please email us with your order number, a description of the issue, and photographs of the damaged item. Once we receive this information, we’ll arrange for a replacement or refund and handle the return process.
You can return items within 30 days of receipt. Ensure the product is new in its original packaging and securely wrapped for safe transit. Once we receive the item in sellable condition, we’ll issue a full refund for the product value. Contact us for the return address and further instructions.

About QA1

QA1 specializes in high-performance suspension components, including shock absorbers, rod ends, spherical bearings, struts, springs, ball joints and other related items. With products to fit a wide variety of applications, they have solutions for the circle track, drag racing, street performance, and street rodding markets.

International Shipping

Below are estimated rates and delivery times for popular destinations; full carrier options are available at checkout.

Our dedicated team has years of experience managing international logistics and customs documentation to ensure smooth delivery from our US warehouse to your door. Please review our shipping policy and local import regulations before ordering.

Loading international estimates...

Reviews

There are no reviews yet.

Be the first to review “QA1 Coil-Over Hardware Kit COK103”

Your email address will not be published. Required fields are marked *

Recently viewed products

  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    RANCHO Shock Absorber RS55329

    SKU: RANRS55329
    Product information
    • Weight6.0 lbs
    • Dimensions24.25 × 4.0 × 3.0 in
    • Brand

    • Type

    • Condition

    • Manufacturer Part Number

      RS55329

    Details...
    Original price was: $63.90.Current price is: $58.09.Add to cart
    Original price was: $63.90.Current price is: $58.09.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WALKER ENGINEERING Air Cleaner Nut 3001124

    SKU: WLK3001124
    Product information
    • Weight0.11 lbs
    • Dimensions2.00 × 2.00 × 1.50 in
    • Quantity

      Each

    • Color

      Blue

    • Material

      Aluminum

    • Finish

      Anodized

    • Nut Included

      Yes

    Details...
    Original price was: $34.01.Current price is: $30.92.Add to cart
    Original price was: $34.01.Current price is: $30.92.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PERMATEX Clear Silicone 80050

    SKU: PEX80050
    Product information
    • Weight0.245 lbs
    • Dimensions7.95 × 3.8 × 1.3 in
    • Container

      Tube

    • Volume

      3 oz

    • Quantity

      Each

    • Variant

      Yes

    • Variant Group

      RTV and Silicone Sealers and Gasket Makers10

    Details...
    Original price was: $6.49.Current price is: $5.90.Add to cart
    Original price was: $6.49.Current price is: $5.90.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOLLEY Sealed USB Cable 558-409

    SKU: HLY558-409
    Product information
    • Weight0.3 lbs
    • Dimensions4.9 × 4.5 × 3.2 in
    • Harness Purpose

      Data Transfer Cable

    • Quantity

      Each

    • Variant

      Yes

    • Finish

      Rubber Coated

    • Color

      Black

    Details...
    Original price was: $104.00.Current price is: $94.49.Add to cart
    Original price was: $104.00.Current price is: $94.49.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    DYNOMAX Hardware-Hanger 35183
    Add to wishlist

    DYNOMAX Hardware-Hanger 35183

    SKU: DYN35183
    Product information
    • Weight0.425 lbs
    • Dimensions5 × 4.25 × 1.55 in
    • Style

      Hanger

    • Material

      Steel

    • Color

      Natural

    • Finish

      Natural

    • Quantity

      Each

    Details...
    Original price was: $7.04.Current price is: $6.40.Add to cart
    Original price was: $7.04.Current price is: $6.40.Add to wishlist
  • Add to wishlist
    Sale
    CORSA PERFORMANCE Air Intake System 49150D
    Add to wishlist

    CORSA PERFORMANCE Air Intake System 49150D

    SKU: COR49150D
    Product information
    • Weight11 lbs
    • Dimensions20 × 17 × 13 in
    • Product Line

      DryTech Closed Box

    • Tube Material

      Plastic

    • Tube Color

      Black

    • Tube Finish

      Natural

    • Filter Style

      Washable

    Details...
    Original price was: $480.00.Current price is: $435.99.Add to cart
    Original price was: $480.00.Current price is: $435.99.Add to wishlist
  • Add to wishlist
    Sale
    BERT TRANSMISSIONS Idler Gear Bushing 304
    Add to wishlist

    BERT TRANSMISSIONS Idler Gear Bushing 304

    SKU: BER304
    Product information
    • Weight0.085 lbs
    • Dimensions5 × 3 × 1.05 in
    • Intended Purpose

      Idler Gear Bushing

    • Length

      1.260 in

    • Material

      Steel

    • Color

      Natural

    • Finish

      Natural

    Details...
    Original price was: $12.07.Current price is: $10.97.Add to cart
    Original price was: $12.07.Current price is: $10.97.Add to wishlist
  • Add to wishlist
    Sale
    ADVANCED ENGINE DESIGN Nylon Needle & Seat Gaskets 5123
    Add to wishlist

    ADVANCED ENGINE DESIGN Nylon Needle & Seat Gaskets 5123

    SKU: AED5123
    Product information
    • Weight0.015 lbs
    • Dimensions4.4 × 3.9 × 0.35 in
    • Quantity

      Kit

    • Variant

      Yes

    • Intended Purpose

      Needle and Seat

    • Reusable

      Yes

    • Top Quantity

      6.0

    Details...
    Original price was: $7.41.Current price is: $6.44.Add to cart
    Original price was: $7.41.Current price is: $6.44.Add to wishlist

    9