Description
Rear Pro Coil System
Additional Information
Big Wheel Rear Pro Coil Kit, 71-76 GM B-Body, Double Adjustable Shocks, 250 lb. springs
Part Type
Coilover Set
Product Overview
Easily convert your Impala or Caprice to coil-over rear suspension with this bolt-in kit. Adjustable ride height gives you the ability to fit up to 28" wheels on your Donk. You can also use these coil-overs to get a better ride and more performance from your everyday street car or hot rod.Adjustable Ride HeightAdjustable coil-overs allow you dial in the exact look you want in minutes. Easily raise or lower your car up to 2" in the front, and set a custom rear ride height anywhere from stock height to up to 5" of drop.Single-Adjustable ValvingEasily adjust your shock valving with the twist of a knob. This allows you to firm up or soften the ride based on your comfort and performance preferences.Easy, Bolt-In InstallationThis kit comes ready to install with all necessary hardware. You can bolt up the coil-overs right in your garage or work with your local shop.Fitment NotesWorks with factory housings or Quick Performance 9" rear axles
This item is available as a full kit.
Select a kit option in the following table if you are looking for this item in a bundle form with all associated components.
Kit option/s:
| Thumb | SKU | Kit Title |
|---|---|---|
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qapBW02-GMB4 | QA1 71-76 GM B-Body Level 2 Big Wheel Kit (1x qap52518, 1x qap5252, 1x qap5254, 2x qap7888-109, 1x qapGD507-10550C, 2x qapT115W, 1x qapRCK52364, 1x qap52721, 1x qap52850, 1x qap52851, 1x qap5201) |
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 16:01:28
Features
- Achieve 1/2 higher than stock down to 2.25" lower than stock.
- Limited Lifetime Warranty for peace of mind.
- Proudly made in the USA.
- Sold as a pair.
- Ultimate balance of ride quality and performance handling with adjustable rebound and compression valving.
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Product Details
| Active or Passive Suspension: | Passive |
| Adjustable Compression: | Yes |
| Adjustable Rebound: | Yes |
| Adjustable Ride Height: | Yes |
| Assembled: | No |
| Brand: | QA1 |
| Description: | QA1 71-76 GM B-Body 12-250 Kit Rear Pro-Coil D-Adj |
| Grade Type: | Performance |
| Internal Construction Type: | Dual Tube |
| Manufacturer Part Number: | RCK52364 |
| Part Number: | qapRCK52364 |
| Remote Reservoir: | No |
| Spring Color: | Silver |
| Spring Material: | High Tensile Chrome Silicon |
| Title: | QA1 Shock Absorber and Coil Spring Assembly RCK52364 |
| UPC: | 806990168764 |
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Qa1 |
| StreetFX SKU | qapRCK52364 |
| SFX Item ID | 4095916 |
| Accounting SKU | qap-RCK52364 |
| Manufacturer SKU | RCK52364 |
| Manufacturer UPC | 806990168764 |
| Alternative References | QA1-RCK52364, RCK52364 |
Coilover Kits, Rear Pro Coilover Conversion Systems, Adjustable, Twin-tube Shocks, Eyelet Mounts, Buick, Chevrolet, Oldsmobile, Pontiac, Kit
Here's an easy way to convert your stock rear suspension to a coilover suspension. You get everything you need with these QA1 Rear Pro coilover systems, from shocks to nuts and bolts, complete installation instructions, and even decals!
| Product Attributes | |
|---|---|
| Brand | QA1 |
| Manufacturer's Part Number | RCK52364 |
| Part Type | Coilover Kits |
| Product Line | QA1 Rear Pro Coilover Conversion Systems |
| UPC | 806990168764 |
| 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.) | 250 lbs./in. |
| Suspension Height Adjustment | 0.0-3.0 in. lowered rear, 0.0-2.0 in. raised rear |
| Gas Charged | No |
| Upper Mount | Eyelet |
| Lower Mount | Eyelet |
| Body Diameter (in.) | 2.000 |
| Shock Body Material | Aluminum |
| Shock Body Finish | Silver |
| Bushing Material | Polyurethane |
| Bushing Color | Black |
| Spring Finish | Gray/Silver |
| Crossmember Included | No |
| Adjustable Mounting Bracket Included | Yes |
| Hardware Included | Yes |
| Welding Required | No |
| Quantity | Sold as a kit. |
| Notes | Kit allows for clearance of up to 28 in. wheels. Kit works with factory or Quick Performance 9 in. rear axles. |
| Manufacturer Attributes | |
|---|---|
| Title | QA1 Shock Absorber and Coil Spring Assembly RCK52364 |
| Brand | QA1 |
| Manufacturer Part Number | RCK52364 |
| UPC | 806990168764 |
| Manufacturer Designation | Kit, Rear Pro Coil Double Adjustable, 71-76 GM B-Body, 14-250 |
| Product Class | Suspension Shock Absorber and Coil Spring Assembly |
| Construction/Type | Big Wheel Rear Pro Coil Kit, 71-76 GM B-Body, Double Adjustable Shocks, 250 lb. springs |
| Product Outline | Achieve 1/2 higher than stock down to 2.25" lower than stock. Ultimate balance of ride quality and performance handling with adjustable rebound and compression valving. Limited Lifetime Warranty for peace of mind. Sold as a pair. Proudly made in the USA. |
| Vehicle Brief | QA1 Single Adjustable Rear ProCoilSystem |
| Market Description | Easily convert your Impala or Caprice to coil-over rear suspension with this bolt-in kit. Adjustable ride height gives you the ability to fit up to 28" wheels on your Donk. You can also use these coil-overs to get a better ride and more performance from your everyday street car or hot rod.Adjustable Ride HeightAdjustable coil-overs allow you dial in the exact look you want in minutes. Easily raise or lower your car up to 2" in the front, and set a custom rear ride height anywhere from stock height to up to 5" of drop.Single-Adjustable ValvingEasily adjust your shock valving with the twist of a knob. This allows you to firm up or soften the ride based on your comfort and performance preferences.Easy, Bolt-In InstallationThis kit comes ready to install with all necessary hardware. You can bolt up the coil-overs right in your garage or work with your local shop.Fitment NotesWorks with factory housings or Quick Performance 9" rear axles |
Compatibility
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