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QA1 Level 3 Full Vehicle Handling Suspension Kits HK23-GMA2
Part Number: QA1-HK23-GMA2
QA1 Level 3 Full Vehicle Handling Suspension Kits
HANDLING KIT LEVEL 3, GM A-BODY; 68-72 GM A-BODY, W/ SHOCKS
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Estimated Ship Date: Nov 11, 2026 Would you rather pick it up?
Kit/Combo Contents
QA1 5205 - QA1 Rear Trailing Arms
Trailing Arms, Boxed, Rear, Lower, Steel, Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Pair
Kit Item Quantity: 1
QA1 5248 - QA1 Rear Trailing Arms
Trailing Arms, Adjustable, Rear, Upper, Aluminum/Steel, Red Anodized, Buick, Chevy, Oldsmobile, Pontiac, Pair
Kit Item Quantity: 1
QA1 52522 - QA1 GM 2.0 Pro-Touring Control Arms
Control Arms, Pro-Touring Series, Front Upper, Steel, Black Powdercoated, Chevy, Buick, GMC, Oldsmobile, Pontiac, Pair
Kit Item Quantity: 1
QA1 52537 - QA1 GM 2.0 Pro-Touring Control Arms
Control Arms, Pro-Touring Series, Front Lower, Steel, Black Powdercoated, Chevy, Buick, GMC, Oldsmobile, Pontiac, Pair
Kit Item Quantity: 1
QA1 5284 - QA1 Adjustable Rear Frame Supports
Trailing Arm Mount Braces, Rear, Adjustable, Steel, Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Pair
Kit Item Quantity: 1
QA1 52870 - QA1 Sway Bars
Sway Bar, Front, Hollow, 4130 Chromoly, Black Powdercoat, 1 1/4 in. Diameter, Buick, Chevy, Oldsmobile, Pontiac, Kit
Kit Item Quantity: 1
QA1 52871 - QA1 Sway Bars
Sway Bar, Rear, Solid, Steel, Black Powdercoated, 1 in. Diameter, Buick, Chevy, Oldsmobile, Pontiac, Kit
Kit Item Quantity: 1
QA1 9039-308 - QA1 MOD Series Shock Reservoir Mounts
Shock Reservoir Mounts, MOD Series, Aluminum, Black Anodized, Flat Panel Reservoir, Pair
Kit Item Quantity: 2
QA1 MG401-10500B - QA1 MOD Series Pro Coilover Systems
Coilover Kit, MOD Series Pro, Front, Twin-Tube, 0.0-2.0 in. Lowered, Aluminum Body, Black Anodized, 500 lbs./in. Spring Rate, Kit
Kit Item Quantity: 1
QA1 RCK52442 - QA1 Rear MOD Coilover Conversion Systems
Coilover Kit, MOD Coilover System, Rear, Double Adjustable, 175 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit
Kit Item Quantity: 1
QA1 T121W - QA1 Coilover Shock Adjusting Tools
Spanner Wrench, Steel, Zinc, Plastic Handle, Black, MOD Shocks, Each
Kit Item Quantity: 1
Overview
Brand:
Manufacturer's Part Number:
HK23-GMA2
Part Type:
Product Line:
Summit Racing Part Number:
QA1-HK23-GMA2
UPC:
806990161277
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 Type:
Hollow
Front Sway Bar Diameter (in.):
1.250 in.
Rear Sway Bar Included:
Yes
Rear Sway Bar Color:
Black
Rear Sway Bar Type:
Solid
Rear Sway Bar Diameter (in.):
1.000 in.
Tie Rod Sleeves Included:
No
End Link Bushings Included:
No
Rear Leaf Spring Bushings Included:
No
Sway Bar Bushings Included:
No
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:
Chromoly
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
Bushing Material:
Polyurethane/Steel
Bushing Color:
Black
Mounting Hardware Included:
Yes
Quantity:
Sold as a kit.
QA1 Level 3 Full Vehicle Handling Suspension Kits
QA1's handling suspension kits provide a full-vehicle upgrade that fits your needs. Available in three different levels of performance, you can build your car in stages, using QA1's parts list as a road map to get to the level of performance you want and have peace of mind knowing you won't have compatibility issues.
Top performance is the desired goal of many automotive upgrades—precisely what QA1 Level 3 handling suspension kits deliver. Compared with the Level 1 and 2 packages, these heavy-duty assemblies offer additional control components, as well as stiffer springs to maximize your cornering ability and handling. QA1 Level 3 kits are available with or without shocks and struts—giving you the flexibility to obtain the shocks or struts and spring rates you want. Select the kit designed for your vehicle.
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