Description
QA1 71-76 GM B-Body Control Arm Kit Lower Street Perform
Additional Information
Street Performance Lower Control Arms, 71-76 GM B-Body, Front
Part Type
Suspension Control Arm Kit
Product Overview
Big Wheel Street Performance Lower Control Arm Kit, 71-96 GM B-Body
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) |
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qapBW03-GMB4 | QA1 71-76 GM B-Body Level 3 Big Wheel Kit (1x qap52518, 1x qap5252, 1x qap5254, 2x qap9039-308, 1x qapMG507-10600C, 2x qapT121W, 1x qapRCK52461, 1x qap52721, 1x qap52850, 1x qap52851, 1x qap5201) |
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 16:02:03
Features
- Correct outdated front end geometry
- Designed for use with QA1 patented Ultimate Ball Joints
- Easy bolt-in installation
- Low friction bushings
- Made in the USA
- Optimized strength to weight ratio
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
| Brand: | QA1 |
| Description: | QA1 71-76 GM B-Body Control Arm Kit Lower Street Perform |
| Manufacturer Part Number: | 52721 |
| Part Number: | qap52721 |
| Title: | QA1 Suspension Control Arm Kit 52721 |
| UPC: | 806990168788 |
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Qa1 |
| StreetFX SKU | qap52721 |
| SFX Item ID | 4095937 |
| Accounting SKU | qap-52721 |
| Manufacturer SKU | 52721 |
| Manufacturer UPC | 806990168788 |
| Alternative References | 52721, QA1-52721, QA152721 |
Control Arms, GM 2.0 Street, Front Lower, Tubular, Steel, Black, Chevrolet, Pair
QA1 GM 2.0 Street control arms provide increased positive caster compared to OE arms and are among the lightest available. These arms feature a lower unsprung weight and improved performance without sacrificing durability. Each arm includes a QA1 integrated ball joint design which is stronger than OEM and rebuildable for tunability, providing long-term reliable service. These arms are designed with billet cross shafts for reduced weight and durability for the long haul. Double-sheer lower mounts are coil-over ready for a clean installation. QA1 GM 2.0 Street control arms look incredible and use no unsightly additional adapters! Form meets function with these newly designed arms that look and perform great without requiring painstaking restoring like factory stamped steel control arms.
| Product Attributes | |
|---|---|
| Brand | QA1 |
| Manufacturer's Part Number | 52721 |
| Part Type | Control Arms |
| Product Line | QA1 GM 2.0 Street Control Arms |
| UPC | 806990168788 |
| Control Arm Style | Tubular |
| Control Arm Material | Steel |
| Ball Joint Included | Yes |
| Bushings Included | Yes |
| Control Arm Color | Black |
| Ball Joint Plate Type | Pressed-in |
| Adjustable | No |
| Hardware Included | No |
| Bushing Material | Polyurethane |
| Quantity | Sold as a pair. |
| Notes | Control arms are for use with QA1 Pro Coil Systems and feature the rebuildable Ultimate ball joints. |
| Manufacturer Attributes | |
|---|---|
| Title | QA1 Suspension Control Arm Kit 52721 |
| Brand | QA1 |
| Manufacturer Part Number | 52721 |
| UPC | 806990168788 |
| Manufacturer Designation | Control Arm Kit, Lower, Street Performance, 71-76 GM B-Body |
| Product Class | Suspension Control Arm Kit |
| Construction/Type | Street Performance Lower Control Arms, 71-76 GM B-Body, Front |
| Product Outline | Correct outdated front end geometry Optimized strength to weight ratio Low friction bushings Designed for use with QA1 patented Ultimate Ball Joints Easy bolt-in installation Made in the USA |
| Vehicle Brief | QA1 Lower Control Arms |
| Market Description | Big Wheel Street Performance Lower Control Arm Kit, 71-96 GM B-Body |
Compatibility
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