| Position | Rear |
| Spring Rate | 220 lbs. |
| Shock Adjustability | Double Adjustable |
| Shock Type | Twin Tube |
| Shock Body Material | Aluminum |
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855.313.9176Quick and Easy Returns
Return PolicyQA1 offers bolt-in Rear Coil-Over Conversion Kits for 1978-1988 GM G-Bodies. These kits include specially designed USA-made mounting brackets, MOD™ Series adjustable aluminum shocks, high travel springs, and all necessary hardware.
Single adjustable shocks provide 18 positions of simultaneous rebound and compression adjustment while QA1’s double adjustable shocks provide 18 positions of compression adjustment and 18 positions of rebound adjustment, for a total of 324 possible valving combinations. MOD™ Series shocks also feature a double adjustable design but include adjustable low-speed bleed as well for fully independent control over compression and rebound characteristics.
These shocks also utilize a fully threaded body allowing for ride height adjustability. Multiple spring rate options are also available and have been successfully tested in various applications, from casual street driving to hard core race applications.
With our highly popular adjustable struts and the addition of the Rear Coil-Over Conversion Kit, you can now get a complete suspension makeover for both ends of the vehicle.
Additional MOD™ Series Features:
Pro Coil Systems include:
SPRING RATE CHART
The chart below is a general guideline for selecting spring rates for QA1's Rear Pro Coil Shock Systems for 78-88 GM G-bodies. Spring rates may vary depending on applications, usage, and personal preference.
| 1978-1988 GM G-Body | |||||||||
| Soft | Medium | Firm | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 170 | 200 | 220 | |||||||
Application
Charts
Guides & Documents
CA WARNING:
Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov
| KEY SPECS | |
|---|---|
| MFG. Part # | RCK52450 |
| Brand | QA1 |
| Position | Rear |
| Spring Rate | 220 lbs. |
| Shock Adjustability | Double Adjustable |
| Shock Type | Twin Tube |
| Shock Body Material | Aluminum |
| Upper Shock Mount | Bushed Eyelet |
| Lower Shock Mount | Bushed Eyelet |
| Height Adjustable | Yes |
| Finish | Anodized |
| GENERAL | |
| Shock Body Type | Threaded |
| Number of Valving Selections | 324 |
| Coilover Kit Included | Yes |
| Coilover Springs Included | Yes |
| Hardware Included | Yes |
| GTIN Code | 806990155108 |
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