My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

QA1 Precision Products DS601 Proma Star Single Adjustable Coilover Shock 12.5-18.75

Manufacturer

Part Number

DS601
Sale Price

$254.95

In Stock (10+)

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The QA1 Precision Products Proma Star DS601 is a high-performance single adjustable coilover shock engineered for street performance, autocross, drag racing, and road racing applications. Featuring a machined aluminum body with a bright anodized finish and a heavy-duty 5/8" chrome-plated solid piston rod, this shock delivers exceptional durability and eliminates piston rod flex under demanding conditions.

Key Features:

  • 18-position single adjustable valving with one knob to simultaneously adjust compression and rebound damping
  • Machined aluminum body with bright anodized finish for corrosion resistance and lightweight strength
  • 5/8" chrome-plated solid piston rod eliminates flex and ensures consistent performance
  • Double-lip piston seals with wiper seals prevent seal drag and dirt intrusion
  • Teflon/Kevlar race bearing mounting ends (eye-top/eye-bottom configuration)
  • Deflective disc valving for increased sensitivity, control, and consistency
  • Precision piston-to-cylinder wall seal improves valving consistency and long-term durability
  • Dyno tested and serialized for quality assurance
  • Revalvable and rebuildable by QA1 authorized service centers
  • Includes aluminum spring cap, spring seat with washer, and locking ring

Specifications:

  • Compressed Length: 12.5 inches
  • Extended Length: 18.75 inches
  • Recommended Ride Height: 15.25" to 15.75"
  • Recommended Spring Length: 14 inches
  • Mounting Style: Eye-bearing top and bottom

Proudly made in the USA, the QA1 Proma Star DS601 provides the perfect balance of adjustability, quality construction, and performance for street rods, muscle cars, and high-performance street vehicles. Sold individually.

Products specifications

Adjustable Mounting Bracket Included

No

Adjustable Valving

Yes

Body Diameter (in)

2.000 in.

Bushing Color

Natural

Bushing Material

Steel

Coil-Over Shock Type

Single-adjustable

Coil-Over Springs Included

No

Collapsed Length (in)

12.500 in.

Compressed Height

12.5

Extended Height

18.75

Extended Length (in)

18.750 in.

Gas Charged

No

Internal Design

Twin-tube

Lower Mount

Bearing

Mounting

Bearing

Notes

Remote wireless ready, can be used with QA1 two or four channel wireless remote controller.

Number of Valving Selections

18

Quantity

Sold individually.

Recommended Ride Height

15 1/4 - 15 3/4

Recommended Spring Diameter (in)

2.500 in.

Recommended Spring Length (in)

14 in.

Shock Body Finish

Clear anodized

Shock Body Material

Aluminum

Spring Length

14

Upper Mount

Bearing

Prop 65

WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov

Title

QA1 Shock Absorber DS601

Easy and fast...I hope the shipping service is just as good as the web site!!

Great price of the 5th wheel tailgate.

Fast service.

Great quick

Part I ordered arrived as described. Fast shipping as well. Haven't installed it yet but so far so good !

Easy

Easily accessible

Great customer service and support. a live person answered the phone and was able to reccomend the correct product for my vehicle. Best price online too........i woould most absolutely use them again! Great company!

Right item, right price !

Great customer service and even better prices,had to have a new e-boost2 by the weekend,and they made it happen.

Lowest prices of what I was looking for and super fast shipping!!

Great prices, great service, fast shipping!

Autoplicity best price on the web,FAST delivery, ordered wed. afternoon and received friday. AAAA++ RATING Will be ording from in the near future.

SO far, so good. We ordered a new Weathertech Trunk Liner from Autoplicity for our new VW SportWagen. We were pleased to find exactly what we were looking for for $50 less than other locations.

Great merchant! I would most certainly would do business with them again. Customer Service was extremely helpful and my order shipped quickly.

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy