Description
QA1 Level 1 Handling Suspension Kit – Performance & Comfort Combined!
The QA1 Level 1 Handling Suspension Kit (HK21-CRB2) is a bolt-on upgrade designed to increase suspension performance without sacrificing ride comfort. This kit includes high-quality tubular control arms, single-adjustable shocks, and a front sway bar, making it the perfect entry-level handling package for street performance, autocross, and daily driving.
Designed for small block & LS-powered vehicles, this kit delivers better control, reduced body roll, and improved road feedback while maintaining a smooth, comfortable ride.
Perfect for enthusiasts looking for a high-quality suspension upgrade without going full race-spec!
What’s Included in the Kit?
✅ Single Adjustable Front & Rear Shocks – Provides customizable ride damping
✅ 1.25” Hollow Front Sway Bar (Black Finish) – Improves steering response & stability
✅ Chromoly Tubular Upper & Lower Control Arms (Black Finish) – Stronger & lighter than stock components
✅ K-Member for Additional Front-End Rigidity – Enhances chassis strength & alignment
✅ Tie Rod Sleeves – Improves steering precision & durability
✅ Polyurethane Bushings – Reduces deflection for better handling
✅ All Necessary Mounting Hardware – Ensures a secure installation
Upgrade your suspension with this Level 1 kit and experience smoother, more controlled driving!
Technical Specifications
| Feature | Details |
|---|---|
| Brand | QA1 |
| Manufacturer Part # | HK21-CRB2 |
| Product Type | Suspension Handling Package |
| Front Coil Springs Included? | ❌ No |
| Rear Coil Springs Included? | ❌ No |
| Rear Leaf Springs Included? | ❌ No |
| Front Shocks Included? | ✅ Yes (Single Adjustable) |
| Rear Shocks Included? | ✅ Yes (Single Adjustable) |
| Front Sway Bar Included? | ✅ Yes (Hollow, 1.25” / 31.75mm) |
| Rear Sway Bar Included? | ❌ No |
| Upper Control Arms Included? | ✅ Yes (Chromoly Tubular) |
| Lower Control Arms Included? | ✅ Yes (Chromoly Tubular) |
| Trailing Arm Mount Braces Included? | ❌ No |
| Bushing Material | Polyurethane |
| Bushing Color | Black |
| K-Member Included? | ✅ Yes |
| Brake Components Included? | ❌ No |
| Mounting Hardware Included? | ✅ Yes |
| Quantity | Sold as a kit |
⚡ A great balance between ride comfort and performance handling!
Fitment & Compatibility
✔ Designed for Small Block & LS-Powered Vehicles with Stock Trim
✔ Compatible with OEM Steering & Brake Components
✔ Perfect for Street Performance, Autocross & Daily Driving
Ideal for drivers looking for improved handling without sacrificing comfort!
Installation Notes & Tips
100% Bolt-On Installation – No Welding Required
⚙️ Ensure Proper Alignment After Installation
Torque Suspension Components to Manufacturer Specifications
Pair with Performance Tires for Maximum Handling Gains
⚠️ Rear Sway Bar Not Included – Can Be Added Separately for Additional Stability
❓ Frequently Asked Questions (FAQ)
How does this kit improve my car’s handling?
- The combination of single-adjustable shocks, tubular control arms, and a front sway bar reduces body roll, increases steering precision, and enhances ride comfort.
Can I install this kit on my daily driver?
- Absolutely! This kit is designed to improve handling while maintaining street-friendly ride quality.
Do I need additional parts for installation?
- No. This kit includes all necessary mounting hardware, but a rear sway bar can be added separately for further handling improvements.
Will this kit work with my stock suspension components?
- Yes! This kit is fully compatible with OEM components and works as a direct bolt-on upgrade.
Is professional installation required?
- No. This kit is designed for DIY installation, but a professional alignment is recommended after installation.
Call to Action – Upgrade Your Suspension for a More Controlled Ride!
Transform your vehicle’s handling with the QA1 Level 1 Handling Suspension Kit!
✔ Single Adjustable Shocks for Custom Ride Comfort & Performance
✔ 1.25” Hollow Front Sway Bar for Reduced Body Roll
✔ Tubular Chromoly Control Arms for Strength & Stability
✔ Direct Bolt-On Installation – No Cutting or Welding Required
Order Now & Enjoy Smoother, More Responsive Handling!
Overview
Brand:
QA1
Manufacturer’s Part Number:
HK21-CRB2
Part Type:
Suspension Handling Packages
Product Line:
QA1 Level 1 Handling Suspension Kits
Summit Racing Part Number:
QA1-HK21-CRB2
UPC:
806990167293
Front Coil Springs Included:
No
Rear Coil Springs Included:
No
Rear Leaf Springs Included:
No
Front Shocks/Struts Included:
Yes
Front Shock Type:
Single adjustable
Rear Shocks/Struts Included:
Yes
Rear Shock Type:
Single adjustable
Front Sway Bar Included:
Yes
Front Sway Bar Color:
Black
Front Sway Bar Type:
Hollow
Front Sway Bar Diameter (in.):
1.250 in.
Rear Sway Bar Included:
No
Tie Rod Sleeves Included:
Yes
End Link Bushings Included:
No
Rear Leaf Spring Bushings Included:
No
Sway Bar Bushings Included:
No
Upper Trailing Arms Included:
No
Lower Trailing Arms Included:
No
Trailing Arm Mount Braces Included:
No
Panhard Bar Included:
No
Torque Arm Included:
No
Upper Control Arms Included:
Yes
Lower Control Arms Included:
Yes
Control Arm Style:
Tubular
Control Arm Material:
Chromoly
Control Arm Color:
Black
Front Strut Tower Bar Included:
No
K-Member Included:
Yes
K-Member Support Brace Included:
No
Rear Strut Tower Bar Included:
No
Subframe Connectors Included:
No
Chassis Stiffener Included:
No
Calipers Included:
No
Rotors Included:
No
Brake Pads Included:
No
Brake Lines Included:
No
Wheel Studs Included:
No
Center Link Included:
No
Spindles Included:
No
Inner Tie Rod Ends Included:
No
Outer Tie Rod Ends Included:
No
Bushing Material:
Polyurethane
Bushing Color:
Black
Mounting Hardware Included:
Yes
Quantity:
Sold as a kit.
