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Inspected & Documented
Condition notes recorded before palletizing.
30-Day Startup Warranty
Covers block, heads and internal moving components.
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Auto Parts & Accessories
QA1 Level 2 Big Wheel Kits BW02-GMB4
$3,383.91
+ $295.00 flat-rate insured LTL freight
(details)
$3,678.91 delivered to the continental US
- Palletized and heavy shrink-wrapped for freight
- LTL carrier delivery with optional liftgate service
- Ships in 1–2 business days from Los Angeles, CA
- Transit typically 3–7 business days, continental US
Secure checkout by Stripe
Need a matched transmission, controls or wiring package? Speak with a parts specialist.
Details & Inspection Notes
QA1 Level 2 Big Wheel Suspension Kit, Ultimate Handling for Large Wheels!
The QA1 Level 2 Big Wheel Kit (BW02-GMB4) is engineered for large wheel setups (up to 28 inches) and offers the ultimate in ride height adjustability, handling precision, and comfort. Whether you’re building a show car, drag racer, or daily cruiser, this full-vehicle suspension upgrade provides superior control, cornering ability, and a smooth ride.
Perfect for box-style classic cars that need both form and function!
What’s Included in the Kit?
QA1 Double Adjustable Coilover Shocks (Front & Rear)Custom-tune ride quality & launch grip
Coilover SpringsAdjust ride height (-3 in. to +2 in.) & optimize comfort/stability
Tubular Upper & Lower Control ArmsStronger, lighter, and specifically designed for big wheel applications
Adjustable Upper & Lower Trailing ArmsCenters the rear axle for better clearance & traction
Tubular Front & Rear Sway BarsReduces body roll & improves steering precision
Tie Rod Sleeves & End Link BushingsEnhances steering response & stability
Bolt-On Installation KitIncludes all necessary hardware for a hassle-free install
Everything you need for a slammed, raised, or aggressive big wheel stance with superior handling!
Technical Specifications
| Feature | Details |
|---|---|
| Brand | QA1 |
| Manufacturer Part # | BW02-GMB4 |
| Product Type | Suspension Handling Package |
| Designed For | Vehicles Running Up to 28-inch Wheels |
| Front Shock Type | Double Adjustable Coilover |
| Rear Shock Type | Double Adjustable Coilover |
| Front Coil Springs Included? | Yes |
| Rear Coil Springs Included? | Yes |
| Front Sway Bar Included? | Yes (1.375 in. / 34.93 mm) |
| Rear Sway Bar Included? | Yes (1.25 in. / 31.75 mm) |
| Upper & Lower Control Arms Included? | Yes (Tubular Steel) |
| Adjustable Trailing Arms? | Yes (Upper & Lower) |
| Ride Height Adjustment | Front: -2 in. to +2 in. / Rear: -3 in. to +2 in. |
| Installation Type | Bolt-On, No Welding Required |
| Mounting Hardware Included? | Yes |
Optimized for big wheel setups, high-performance handling, and show-ready stance!
Fitment & Compatibility
Designed for big wheel muscle cars & classics
Supports up to 28-inch wheels
Works with factory or Quick Performance 9-inch rear axle housings
Direct bolt-on installation, No cutting, welding, or fabricating required
Built for those who want the perfect ride height and aggressive stance!
Installation Notes & Tips
Fully Bolt-On, No welding or cutting required
Works with stock and aftermarket drivetrain setups
Adjustable coilovers for a fully customizable stance
Professional alignment recommended after installation
Frequently Asked Questions (FAQ)
What makes this kit ideal for big wheels?
- The QA1 Big Wheel Kit is engineered for large-diameter wheels (up to 28 inches), featuring corrected suspension angles, tubular arms, sway bars, and double-adjustable coilovers to handle the unique handling characteristics of big wheel setups.
How much can I raise or lower my car?
- Front: Raise/lower by up to 2 inches
- Rear: Raise up to 2 inches or lower by up to 3 inches
Can I use this kit for drag racing?
- Yes! The double-adjustable coilovers allow precise tuning of compression & rebound, making it an excellent choice for drag racing, daily driving, or show builds.
Does this kit include everything I need for installation?
- Yes! All necessary hardware, bushings, control arms, and sway bars are included for a straightforward bolt-on install.
Will this kit work with my factory axle?
- Yes! It’s designed to work with factory rear axle housings & Quick Performance 9-inch axles.
Do I need any special tools for installation?
- A basic set of hand tools & a spanner wrench (included) is all you need for ride height adjustments.
Call to Action, Get the Ultimate Big Wheel Stance & Handling!
Maximize your car’s stance and handling with the QA1 Level 2 Big Wheel Suspension Kit!
Raise or lower your vehicle for the perfect look
Improve ride quality, handling, and stability
Optimized suspension angles for large-diameter wheels
Bolt-on installation, No welding required!
Order Now & Get Your Ride Sitting Right with QA1 Suspension!
OverviewBrand:
QA1
Manufacturer’s Part Number:
BW02-GMB4
Part Type:
Suspension Handling Packages
Product Line:
QA1 Level 2 Big Wheel Kits
Summit Racing Part Number:
QA1-BW02-GMB4
UPC:
806990168658
Front Coil Springs Included:
Yes
Rear Coil Springs Included:
Yes
Rear Leaf Springs Included:
No
Front Shocks/Struts Included:
Yes
Front Shock Type:
Double adjustable coilover
Rear Shocks/Struts Included:
Yes
Rear Shock Type:
Double adjustable coilover
Front Sway Bar Included:
Yes
Front Sway Bar Color:
Black
Front Sway Bar Diameter (in.):
1.375 in.
Front Sway Bar Diameter (mm):
34.93 mm
Rear Sway Bar Included:
Yes
Rear Sway Bar Color:
Black
Rear Sway Bar Diameter (in.):
1.250 in.
Rear Sway Bar Diameter (mm):
31.75 mm
Tie Rod Sleeves Included:
Yes
End Link Bushings Included:
Yes
Rear Leaf Spring Bushings Included:
No
Sway Bar Bushings Included:
Yes
Upper Trailing Arms Included:
Yes
Lower Trailing Arms Included:
Yes
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:
Steel
Control Arm Color:
Black
Front Strut Tower Bar Included:
No
K-Member Included:
No
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
Mounting Hardware Included:
Yes
Quantity:
Sold as a kit.
Startup & Installation Checklist
- Replace timing components, water pump and plugs before initial startup where applicable.
- Refill all fluids with manufacturer-specified oil and coolant.
- Verify sensors, ECU pinouts and grounds against your chassis or hull wiring.
- Startup warranty covers heads, block and internal lubricated components for 30 days from delivery.
Full terms: 30-day startup warranty · returns
