Description

Shock – Proma Star – Twintube – 12.50 in Compressed / 18.75 in Extended – 2.00 in OD – Single Adjustable – Threaded Aluminum – Natural – Each

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 Proma-Star C/O Shock – Adjustable DS601”

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

    RAM CLUTCH Release Bearing 489

    SKU: RAM489
    Product information
    • Weight1.3 lbs
    • Dimensions3.85 × 3.35 × 2.4 in
    • Material

      Steel

    • Color

      Natural

    • Finish

      Natural

    • Quantity

      Each

    • Hydraulic / Mechanical

      Mechanical

    Details...
    Original price was: $106.80.Current price is: $89.00.Add to cart
    Original price was: $106.80.Current price is: $89.00.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    REESE Towing Starter Kit 40565

    SKU: REE40565
    Product information
    • Weight11.165 lbs
    • Dimensions14.95 × 9.1 × 3.4 in
    • Product Line

      Interlock

    • Component Type

      Ball Mount Hitch

    • Drop Amount

      2 in

    • Raised Amount

      3/4 in

    • Tongue Weight

      600 lb

    Details...
    Original price was: $113.99.Current price is: $94.99.Add to cart
    Original price was: $113.99.Current price is: $94.99.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MERU SAFETY Ascent Sliding Tether ST-100

    SKU: MERST-100
    Product information
    • Weight0.122 lbs
    • Dimensions10.5 × 4.5 × 0.01 in
    • Quantity

      Each

    • Variant

      Yes

    • Color

      Black

    • Length

      12 in

    • Product Line

      Ascent

    Details...
    Original price was: $44.85.Current price is: $39.00.Add to cart
    Original price was: $44.85.Current price is: $39.00.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    LONGACRE Throttle Linkage Kit 52-32700

    SKU: LON52-32700
    Product information
    • Weight0.47 lbs
    • Dimensions23.25 × 5.2 × 1.1 in
    • Quantity

      Kit

    • Variant

      Yes

    • Variant Group

      Rod Throttle Linkage1

    • Variant Column

      Rod 1 Length

    • Hardware Included

      Yes

    Details...
    Original price was: $58.48.Current price is: $53.16.Add to cart
    Original price was: $58.48.Current price is: $53.16.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HYPERCO Front Spring 5in ID 9.5in Tall 18Y0500

    SKU: HYP18Y0500
    Product information
    • Weight6.25 lbs
    • Dimensions13.25 × 6 × 5.75 in
    • Spring Type

      Conventional

    • Location

      Front

    • Length

      9.5 in

    • Outside Diameter

      5 in

    • Linear Rate

      500 lb/in

    Details...
    Original price was: $107.80.Current price is: $98.00.Add to cart
    Original price was: $107.80.Current price is: $98.00.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HURST B-1 Boot/Plate 1147336

    SKU: HUR114-7336
    Product information
    • Weight0.45 lbs
    • Dimensions10.3 × 7.1 × 1.75 in
    • Product Line

      B1

    • Quantity

      Each

    • Hardware Included

      Yes

    • Mounting Location

      Floor

    • Mount Type

      Bolt-On

    Details...
    Original price was: $55.00.Current price is: $49.95.Add to cart
    Original price was: $55.00.Current price is: $49.95.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Placeholder
    Add to wishlist

    WEATHERTECH No Drill Mud Flaps 110171

    SKU: WEA110171
    Product information
    • Weight2.353 lbs
    • Dimensions19.5 × 13 × 3.5 in
    • Product Line

      DigitalFit

    • Application Specific

      Yes

    • Front / Rear

      Front

    • Texture

      Textured

    • Material

      Plastic

    Details...
    Original price was: $104.00.Current price is: $93.95.Add to cart
    Original price was: $104.00.Current price is: $93.95.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WINTERS Pinion Roller Bearing 7331

    SKU: WIN7331
    Product information
    • Weight0.34 lbs
    • Dimensions3.65 × 2.8 × 0.9 in
    • Hub Location

      Pinion Nose

    • Bearing A Style

      Roller

    • Bearing A Race Outside Diameter

      2.050 in

    • Bearing A Race Included

      Yes

    • Bearing A Thickness

      0.595 in

    Details...
    Original price was: $43.53.Current price is: $39.57.Add to cart
    Original price was: $43.53.Current price is: $39.57.Add to wishlist
  • Add to wishlist
    Sale
    CHASSIS ENGINEERING 1/2in RH Mis-Alignment Rod End R/ECM-8-101
    Add to wishlist

    CHASSIS ENGINEERING 1/2in RH Mis-Alignment Rod End R/ECM-8-101

    SKU: CCER/ECM-8-101
    Product information
    • Weight0.285 lbs
    • Dimensions3.5 × 2.35 × 1.2 in
    • Quantity

      Each

    • Variant

      Yes

    • Material

      Steel

    • Color

      Zinc

    • Finish

      Oxide

    Details...
    Original price was: $19.84.Current price is: $17.25.Read more
    Original price was: $19.84.Current price is: $17.25.Add to wishlist
  • Add to wishlist
    Sale
    CALLIES Piston Pin Bushing Small Block CS1-SB
    Add to wishlist

    CALLIES Piston Pin Bushing Small Block CS1-SB

    SKU: CALCS1-SBBUSHING
    Product information
    • Weight0.02 lbs
    • Dimensions5 × 2.95 × 1 in
    • Alloy

      Silica

    • Material

      Bronze

    • Color

      Natural

    • Finish

      Natural

    • Quantity

      Each

    Details...
    Original price was: $17.25.Current price is: $15.00.Add to cart
    Original price was: $17.25.Current price is: $15.00.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist

    14