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

QA1 Precision Products GS401-10500B GM Pro Coil Single Adjustable Shock Kit

(Pontiac GTO 1968-72, LeMans 1968-72, Tempest 1968-72; Chevrolet Chevelle 1968-72, El Camino 1968-72; Oldsmobile Cutlass 1968-72, 442 1968-72 + 5 more models)

Manufacturer

Part Number

GS401-10500B
Sale Price

$789.95

In Stock (5)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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 GS401-10500B is a complete front Pro Coil single adjustable shock kit designed for GM applications with stock mounting configurations. This performance suspension system combines precision-engineered aluminum shocks with matched coil springs for enhanced ride quality and handling control.

Key Specifications:

  • Compressed length: 10.13 inches
  • Extended length: 14 inches
  • Stroke length: 3.87 inches
  • Single adjustable valving for tunable compression and rebound control
  • Aluminum shock body for reduced weight and heat dissipation
  • Stock mounting design for direct bolt-on installation

Included Components:

  • Pair of aluminum single adjustable shocks
  • 10-inch coil springs with 500 lb/in spring rate
  • Tapered flat spring ends for proper fitment and load distribution
  • Mounting hardware

The single adjustable design allows you to fine-tune your suspension's damping characteristics with simple adjustment knob controls, making it easy to optimize your vehicle's performance for street driving, autocross, or track use. The 500 lb/in spring rate provides a balance between performance handling and ride comfort for most street and performance applications.

Products specifications

Fits

Pontiac GTO 1968-72, LeMans 1968-72, Tempest 1968-72; Chevrolet Chevelle 1968-72, El Camino 1968-72; Oldsmobile Cutlass 1968-72, 442 1968-72, F85 1968-72, Vista Cruiser 1968-72; Buick Skylark 1968-72, Special 1968-69; GMC Sprint 1971-72

Adjustable Mounting Bracket Included

No

Adjustable Valving

Yes

Body Diameter (in)

2.000 in.

Coil-Over Kit Position

Front

Coil-Over Springs Included

Yes

Collapsed Length (in)

9.000 in.

Compressed Height

9

Crossmember Included

No

Extended Height

12.8

Extended Length (in)

12.800 in.

Gas Charged

No

Lower Mount

Tie bar

Number of Valving Selections

18

Quantity

Sold as a kit.

Recommended Front-End Weight

2,001-2,100 lbs

Ref No

25

Shock Body Finish

Clear anodized

Shock Body Material

Aluminum

Shocks Included

Yes

Spring Finish

Silver powdercoated

Spring Rate (lbs/in)

500 lbs./in.

Suspension Height Adjustment

0.0-2.0 in. lowered front

Threaded Adjustment Range

4.500 in.

Upper Mount

Stud

Welding Required

No

Prop 65

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

Title

QA1 Coilover Spring and Shock Assembly GS401-10500B

No problems thus far

Awsom

Great price! Easy use of website. Best wiring kit on the market!

Fast and easy

Good price.

Ok so far no problem cheapest price online iufhjoj bjgxbjob

Only downside is I couldn't use multiple coupons - one for shipping discount and another for 10% off.

Great place to shop. My brother and I race for cars and they were by far the cheapest place for our car cover by about 40 bucks!

easy

I have had a very good experience with Autoplicity and will look for more parts here. I called Customer Service and they were very good and accurate with me. It was easy, they were very nice, immediate response, and great price.

Not happy with the20.00 shipping since on Google it said it was10.00.

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