What does the 'MOD Series' designation mean?

The MOD Series shocks from QA1 feature QuickTune Technology. This allows for dry modular valve packs to be swapped out. This can be done while the shock remains on the car.

What compression and rebound valve packs come standard with this kit?

Medium compression and rebound valve packs are included. These are a good starting point for most applications. Additional valve packs are available separately to fine-tune your suspension.

What is the spring rate of the included springs?

This kit includes 12 inch springs with a rate of 200 lbs/in. This spring rate is designed for high performance drag race and handling/pro-touring cars. You may need to adjust the spring rate depending on your specific application.

QA1 78-88 GM G-Body Pro Rear Coil-Over System - MOD Series - 12in x 200lbs/in - Aluminum

QA1

Specifications

Brand: QA1
Part #: RCK52449
UPC: 806990155092

QA1

QA1 78-88 GM G-Body Pro Rear Coil-Over System - MOD Series - 12in x 200lbs/in - Aluminum

Name: QA1 78-88 GM G-Body Pro Rear Coil-Over System - MOD Series - 12in x 200lbs/in - Aluminum
Brand: QA1
Price: 2401.69 USD
Availability: InStock

$2401.69

Rear coil-over system for 78-88 GM G-Body. Re-valve in minutes with the MOD Series shock.

Key Features

Aluminum construction — lightweight
MOD Series shocks — re-valve in minutes
QuickTune Technology — easily swap valve packs
12in x 200lbs/in springs — optimized for performance

⚠️ 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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Will this fit your vehicle?

Product Details

Don't be limited to adjustments! Completely re-valve in minutes with the MOD Series shock. Designed specifically to meet the demands required by today's high performance drag race and handling/pro-touring cars, QA1's multi-patent-pending MOD Series shock will transform the way racers respond to changing track conditions and configurations. The key element to this tunability is QuickTune Technology: dry modular valve packs that can easily be swapped out, all while the shock remains on the car. An industry first, the MOD Series shock can quickly and easily be revalved without interrupting the oil path or opening the shock up for debris and air contamination. Medium compression and rebound valve packs come standard