Trailing Arm Brace - Tubular - Bolt-On - Adjustable - Hardware Included - Steel - Black Powder Coat - GM A-Body 1968-72 - Pair

QA1 68-72 GM A-Body Adjustable Rear Frame Support

Additional Information

Adjustable rear frame support for 68-72 GM A-bodies. Includes hardware.

Part Type

Suspension Trailing Arm Brace

Product Overview

QA1 Adjustable Rear Frame Supports are engineered to improve handling, traction and all around suspension performance by eliminating unwanted chassis flex and reinforcing the upper and lower trailing arm mounts. Made from 1'' diameter cold rolled steel tubing, they feature zinc plated adjustable threaded sleeves for adjusting the preload in the rear trailing arm mount after installation. Designed to clear stock and aftermarket mufflers and includes all of the necessary hardware for an easy installation.

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
	qapBW02-GMA2	QA1 68-72 GM A-Body Level 2 Big Wheel Kit (1x qap5248, 1x qap52522, 1x qap52737, 1x qap5284, 1x qap52870, 2x qap7888-109, 1x qapGD401-10450B, 1x qapRCK52358, 1x qapT115W, 1x qap5236, 1x qap52857)
	qapBW03-GMA2	QA1 68-72 GM A-Body Level 3 Big Wheel Kit (1x qap5248, 1x qap52522, 1x qap52737, 1x qap5284, 1x qap52870, 1x qap9039-308, 1x qapMG401-10450B, 1x qapT121W, 1x qap5236, 1x qap52857, 1x qapRCK52443)
	qapDK22-GMA2	QA1 68-72 GM A-Body Level 2 Drag Kit 2.0 w/ Shocks (1x qap5205, 1x qap5213, 1x qap5248, 1x qap5284, 1x qap52871, 1x qap52922, 1x qap52937, 2x qap7888-109, 1x qapGD401-11300B, 1x qapRCK52335, 1x qapT114W)
	qapDK22-GMG2	QA1 69-72 GM G-Body Level 2 Drag Kit 2.0 w/ Shocks (1x qap5205, 1x qap5213, 1x qap5248, 1x qap5284, 1x qap52871, 1x qap52922, 1x qap52937, 2x qap7888-109, 1x qapGD401-10350B, 1x qapRCK52336, 1x qapT114W)
	qapDK23-GMA2	QA1 Level 3 Full Vehicle Drag Racing Suspension Kits DK23-GMA2 Handling Packages, Racing, Coil Springs, Shocks/Struts, Control Arms, Rear Sway Bar, 0-2.000 in. Drop, Buick, Chevy, Olds, Kit
	qapDK23-GMG2	QA1 69-72 GM G-Body Level 3 Drag Kit 2.0 w/ Shocks (1x qap5205, 1x qap5213, 1x qap5248, 1x qap5284, 1x qap52871, 1x qap52922, 1x qap52937, 1x qap9039-308, 1x qapMG401-11300B, 1x qapRCK52440, 1x qapT121W)
	qapDK32-GMA2	QA1 Level 2 Full Vehicle Drag Racing Suspension Kits DK32-GMA2 DRAG KIT LEVEL 2, A-BODY; 68-72 GM A-BODY, W/0 SHOCKS
	qapDK32-GMG2	QA1 69-72 GM G-Body Level 2 Drag Kit 2.0 w/o Shocks (1x qap5205, 1x qap5213, 1x qap5248, 1x qap5284, 1x qap52871, 1x qap52922, 1x qap52937, 2x qap7888-109, 1x qapT114W)
	qapDK33-GMA2	QA1 68-72 GM A-Body Level 3 Drag Kit 2.0 w/o Shocks (1x qap5205, 1x qap5213, 1x qap5248, 1x qap5284, 1x qap52871, 1x qap52922, 1x qap52937)
	qapDK33-GMG2	QA1 69-72 GM G-Body Level 3 Drag Kit 2.0 w/o Shocks (1x qap5205, 1x qap5213, 1x qap5248, 1x qap5284, 1x qap52871, 1x qap52922, 1x qap52937, 1x qap9039-308, 1x qapT121W)
	qapHK22-GMA2	QA1 Level 2 Full Vehicle Handling Suspension Kits HK22-GMA2 Packages, Handling, Front and Rear Coil Springs, Shocks/Struts, Sway Bars, Control Arms, Chevrolet, GMC, Kit
	qapHK22-GMG2	QA1 Level 2 Full Vehicle Handling Suspension Kits for 1969-1972 GRAND PRIX, 1970-1972 MONTE CARLO - HK22-GMG2 HANDLING KIT LEVEL 2, G-PRIX, MONTE; GM, 69-72 G-BODY, W/ SHOCKS
	qapHK23-GMA2	QA1 68-72 GM A-Body Level 3 Handling Kit 2.0 w/ Shocks (1x qap5205, 1x qap5248, 1x qap52522, 1x qap52537, 1x qap5284, 1x qap52870, 1x qap52871, 1x qap9039-308, 1x qapMG401-10500B, 1x qapRCK52442, 1x qapT121W)
	qapHK23-GMG2	QA1 69-72 GM G-Body Level 3 Handling Kit 2.0 w/ Shocks (1x qap5205, 1x qap5248, 1x qap52522, 1x qap52537, 1x qap5284, 1x qap52870, 1x qap52871, 1x qap9039-308, 1x qapMG401-10550B, 1x qapRCK52441, 1x qapT121W)
	qapHK32-GMA2	QA1 68-72 GM A-Body Level 2 Handling Kit 2.0 w/o Shocks (1x qap5205, 1x qap5248, 1x qap52722, 1x qap52737, 1x qap5284, 1x qap52870, 1x qap52871, 2x qap7888-109, 1x qapT114W)
	qapHK32-GMG2	QA1 69-72 GM G-Body Level 2 Handling Kit 2.0 w/o Shocks (1x qap1891-106, 1x qap5205, 1x qap5248, 1x qap52722, 1x qap52737, 1x qap5284, 1x qap52870, 1x qap52871, 2x qap7888-109, 1x qapT114W)
	qapHK33-GMA2	QA1 68-72 GM A-Body Level 3 Handling Kit 2.0 w/o Shocks (1x qap5205, 1x qap5248, 1x qap52522, 1x qap52537, 1x qap5284, 1x qap52870, 1x qap52871)
	qapHK33-GMG2	QA1 69-72 GM G-Body Level 3 Handling Kit 2.0 w/o Shocks (1x qap5205, 1x qap5248, 1x qap52522, 1x qap52537, 1x qap5284, 1x qap52870, 1x qap52871, 1x qap9039-308, 1x qapT121W)

• All installation hardware included
• Eliminate unawanted chassis flex
• Improve handling
• Made in the USA

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Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Trailing Arm Mount Braces, Rear, Adjustable, Steel, Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Pair

Get the performance benefits of a more rigid chassis by reducing unwanted flex with these QA1 adjustable rear frame supports. They are engineered to improve handling and suspension performance by eliminating chassis flex and decreasing torque transfer. Made from high-quality materials, they feature adjustable threaded sleeves for adjusting the preload in the rear trailing arm mount after installation. Designed to clear stock and aftermarket mufflers, they include all of the necessary hardware for an easy installation.