QA1 Proma Star Double Adjustable Coilover Systems RCK52371

Name: QA1 Proma Star Double Adjustable Coilover Systems
Brand: QA1
SKU: QA1-RCK52371
Price: 1109.95 USD
Availability: InStock
Rating: 0 (0 reviews)

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Part Number: QA1-RCK52371

$1,109.95

QA1 Proma Star Double Adjustable Coilover Systems

Coilover Kits, Proma Star Double Adjustable Coilover Systems, Rear, Twin-tube Shocks, Eyelet Mounts, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Pair
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QA1 Proma Star Double Adjustable Coilover Systems RCK52371

QA1-RCK52371

Not Yet Reviewed

Part Number: QA1-RCK52371

Estimated Ship Date: Nov 17, 2026

$1,109.95

Overview

Applications

Q&A

Estimated Ship Date: Nov 17, 2026 Would you rather pick it up?

Overview

Brand:

QA1

Manufacturer's Part Number:

RCK52371

Part Type:

Coilover Kits

Product Line:

QA1 Proma Star Double Adjustable Coilover Systems

Summit Racing Part Number:

QA1-RCK52371

Item Number:

3636669

UPC:

806990137081

Coilover Kit Position:

Rear

Adjustable Valving:

Yes

Number of Valving Selections:

324

Shocks Included:

Yes

Internal Design:

Twin-tube

Coilover Springs Included:

Yes

Spring Rate (lbs./in.):

170 lbs./in.

Suspension Height Adjustment:

0.0-2.0 in. lowered

Gas Charged:

Extended Length (in.):

16.88

Collapsed Length (in.):

11.63

Upper Mount:

Eyelet

Lower Mount:

Eyelet

Shock Body Material:

Aluminum

Shock Body Finish:

Silver

Bushing Material:

Polychloroprene

Bushing Color:

Black

Spring Finish:

Gray/Silver

Crossmember Included:

Adjustable Mounting Bracket Included:

Hardware Included:

Yes

Welding Required:

Quantity:

Sold as a pair.

QA1 Proma Star Double Adjustable Coilover Systems

Dial in your ideal ride quality with the independently adjustable compression and rebound valving of QA1 Proma Star double adjustable coilover systems. They offer the perfect balance of street-ability and performance and are an ideal choice if you plan to use your car on the road and occasionally take it to the track.

With QA1 Proma Star double adjustable coilover systems you will improve overall handling, increase suspension tunability, and gain the ability to adjust ride height quickly and easily for a perfect stance and corner balance your car, maximizing performance. They are easy to install with basic hand tools in the factory mounting locations and does not require the use of a toe link relocation kit.

Coilovers are available with multiple spring rate options to help you find the perfect option for your intended use. The medium springs are great for cars that will mostly be used on the road. The firm option is geared toward track-oriented cars, further reducing body roll under hard cornering, and providing a more planted feel.

Applications