What is the advantage of double adjustable coil-overs?

Double adjustable coil-overs allow you to independently tune both the rebound (how quickly the shock extends) and compression (how quickly it compresses) damping. This gives you precise control to optimize your suspension for different driving conditions, from comfortable cruising to aggressive handling.

What is included in this coil-over kit?

This kit is sold as a pair and includes two double adjustable aluminum coil-over shocks, two 200 lbs/in springs, and all the necessary mounting hardware and brackets required for installation on your vehicle.

Can I adjust the ride height with this kit?

Yes, this QA1 Pro Rear Coil-Over System allows for ride height adjustment. You can set it up to 1/2 inch higher than stock or lower it down to 2.25 inches below stock, giving you flexibility in achieving your desired vehicle stance.

QA1 65-70 GM B-Body Pro Rear Coil-Over System - Double Adj. - Medium - 200lbs/in - Aluminum

Specifications

Brand: QA1
Part #: RCK52390
UPC: 806990162045

QA1 65-70 GM B-Body Pro Rear Coil-Over System - Double Adj. - Medium - 200lbs/in - Aluminum

Name: QA1 65-70 GM B-Body Pro Rear Coil-Over System - Double Adj. - Medium - 200lbs/in - Aluminum
Brand: QA1
Price: 1204.07 USD
Availability: InStock

$1204.07

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Fits 1965-1970 Chevy Biscayne. QA1 Pro Rear Coil-Over System offers double adjustable damping for improved handling and ride quality.

Key Features

Fits 1965-1970 Chevrolet Biscayne and Impala.
Double adjustable valving allows for independent tuning of rebound and compression damping.
Aluminum shock bodies help reduce unsprung weight for improved suspension response.
Includes medium rate 200 lbs/in springs for a balance of ride comfort and performance handling.
Adjustable ride height capability, from 1/2 inch higher than stock to 2.25 inches lower.
Proudly made in the USA with a Limited Lifetime Warranty for peace of mind.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Fits these vehicles

Chevrolet Biscayne 1965-1970
Chevrolet Impala 1965-1970

Product Details

This is the QA1 Pro Rear Coil-Over System for your 1965-1970 Chevrolet Biscayne or Impala. If you're looking to significantly improve your classic B-body's handling and ride, this system is a solid choice. It replaces your stock shocks and springs with a fully integrated coil-over setup, giving you precise control over your suspension's performance. The double adjustable valving lets you fine-tune both rebound and compression damping, so you can dial in the perfect balance between a comfortable ride for cruising and firm control for spirited driving or track use.

Built with aluminum bodies, these coil-overs are designed to be lighter than stock, which can help reduce unsprung weight for better suspension response. The included springs have a medium rate of 200 lbs/in, providing a noticeable improvement in body control without making the ride too harsh. You can also adjust the ride height, setting it up to 1/2 inch higher than stock or lowering it down to 2.25 inches below stock, allowing you to achieve the stance you want. QA1 proudly manufactures these systems in the USA and backs them with a Limited Lifetime Warranty, giving you confidence in their durability and performance.

This kit comes as a pair, including everything you need to get your rear suspension upgraded: two double adjustable shocks, two springs, and all the necessary mounting hardware and brackets. This makes for a more straightforward installation compared to piecing together separate components. With this system, you're not just getting better handling; you're getting a well-built, adjustable suspension solution designed specifically for your classic GM B-body.