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Qa1

QA1 78-88 GM A/G-Body Adjustable Rear Frame Support

SKU: QAP5285

Trailing Arm Mount Brace Kits

QAP Frame Support...

Qa1

QA1 78-88 GM A/G-Body Adjustable Rear Frame Support

SKU: QAP5285

Trailing Arm Mount Brace Kits

QAP Frame Support...

A$661.84
LOW STOCK! Est Ship 3-5 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.
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Description

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.

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.


Features and Benefits

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

Product Details

Brand:QA1
Description:QA1 78-88 GM A/G-Body Adjustable Rear Frame Support
Manufacturer Part Number:5285
Part Number:qap5285
Prop 65 - Short Label:WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov
Prop 65 Yes/No:Yes
Title:QA1 Suspension Subframe 5285
UPC:806990064745

Kit Options

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
qapBW01-GMG1 QA1 78-88 GM G-Body Level 1 Big Wheel Kit (1x qap5247, 1x qap5250, 1x qap5285, 2x qap7888-109, 1x qapGS507-10450C, 2x qapT115W, 1x qapRCK52366, 1x qap5234)
qapBW02-GMG1 QA1 78-88 GM G-Body Level 2 Big Wheel Kit (1x qap5247, 1x qap5250, 1x qap52565, 1x qap52764, 1x qap5285, 2x qap7888-109, 1x qapGD507-10450C, 2x qapT115W, 1x qapRCK52367, 1x qap52854, 1x qap52853, 1x qap5234)
qapBW03-GMG1 QA1 78-88 GM G-Body Level 3 Big Wheel Kit (1x qap5247, 1x qap5250, 1x qap52565, 1x qap52764, 1x qap5285, 2x qap9039-308, 1x qapMG507-10450C, 1x qapT121W, 1x qapRCK52451, 1x qap52854, 1x qap52853, 1x qap5234)
qapDK22-GMG1 QA1 78-88 GM G-Body Level 2 Drag Kit 2.0 w/ Shocks (1x qap5204, 1x qap5214, 1x qap5247, 1x qap5250, 1x qap5285, 1x qap52878, 1x qap52964, 1x qap52965, 2x qap7888-109, 1x qapGD401-10350C, 1x qapRCK52355, 1x qapT115W)
qapDK23-GMG1 QA1 78-88 GM G-Body Level 3 Drag Kit 2.0 w/ Shocks (1x qap5204, 1x qap5214, 1x qap5247, 1x qap5250, 1x qap5285, 1x qap52878, 1x qap52964, 1x qap52965, 1x qap9039-308, 1x qapMG401-11250C, 1x qapRCK52448, 1x qapT121W)
qapDK32-GMG1 QA1 78-88 GM G-Body Level 2 Drag Kit 2.0 w/o Shocks (1x qap5204, 1x qap5214, 1x qap5247, 1x qap5250, 1x qap5285, 1x qap52878, 1x qap52964, 1x qap52965, 2x qap7888-109, 1x qapT115W)
qapDK33-GMG1 QA1 Level 3 Full Vehicle Drag Racing Suspension Kits DK33-GMG1 Handling Packages, Racing, Rear Sway Bar, Trailing Arms, Control Arms, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit
qapHK23-GMG1 QA1 78-88 GM G-Body Level 3 Handling Kit 2.0 w/ Shocks (1x qap5204, 1x qap5247, 1x qap5250, 1x qap52564, 1x qap52565, 1x qap5285, 1x qap52877, 1x qap52878, 1x qap9039-308, 1x qapMG401-08750C, 1x qapRCK52450, 1x qapT121W)
qapHK32-GMG1 QA1 78-88 GM G-Body Level 2 Handling Kit 2.0 w/o Shocks (1x qap5204, 1x qap5247, 1x qap5250, 1x qap52764, 1x qap52765, 1x qap5285, 1x qap52877, 1x qap52878, 2x qap7888-109, 1x qapT115W)
qapHK33-GMG1 QA1 78-88 GM G-Body Level 3 Handling Kit 2.0 w/o Shocks (1x qap5204, 1x qap5247, 1x qap5250, 1x qap52564, 1x qap52565, 1x qap5285, 1x qap52877, 1x qap52878, 1x qapT121W)

Part Type

Suspension Trailing Arm Brace

Data: v4.2 - Upd: 2026-10-17 07:36:08

Features

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

Specifications

Product Attributes - Brand
QA1
Product Attributes - Manufacturer's Part Number
5285
Product Attributes - Part Type
Trailing Arm Mount Brace Kits
Product Attributes - Product Line
QA1 Adjustable Rear Frame Supports
Product Attributes - UPC
806990064745
Product Attributes - Hardware Included
Yes
Product Attributes - Trailing Arm Brace Material
Steel
Product Attributes - Trailing Arm Brace Finish
Black powdercoated
Product Attributes - Quantity
Sold as a pair.

Reference Information

Brand Name/s Qa1
StreetFX SKU qap5285
SFX Item ID 4092498
Supplier Item Code 4092498
Manufacturer SKU 5285
Manufacturer UPC 806990064745
Alternative References qa1, QA15285

Brochures

Compatibility

Application Data
  • MakeBUICK
    ModelCENTURY
    Beginning Year1980
    Ending Year1981
  • MakeBUICK
    ModelCENTURY
    SubmodelCUSTOM
    Beginning Year1978
    Ending Year1979
  • MakeBUICK
    ModelCENTURY
    SubmodelLIMITED
    Beginning Year1978
    Ending Year1981
  • MakeBUICK
    ModelCENTURY
    SubmodelSPECIAL
    Beginning Year1978
    Ending Year1979
  • MakeBUICK
    ModelCENTURY
    SubmodelSPORT
    Beginning Year1978
    Ending Year1980
  • MakeBUICK
    ModelREGAL
    Beginning Year1978
    Ending Year1987
  • MakeBUICK
    ModelREGAL
    SubmodelBASE
    Beginning Year1978
    Ending Year1979
  • MakeBUICK
    ModelREGAL
    SubmodelBASE
    Beginning Year1978
    Ending Year1980
  • MakeBUICK
    ModelREGAL
    SubmodelBASE
    Beginning Year1978
    Ending Year1987
  • MakeBUICK
    ModelREGAL
    SubmodelBASE
    Beginning Year1979
    Ending Year1979
  • MakeBUICK
    ModelREGAL
    SubmodelBASE
    Beginning Year1979
    Ending Year1980
  • MakeBUICK
    ModelREGAL
    SubmodelBASE
    Beginning Year1980
    Ending Year1981
  • MakeBUICK
    ModelREGAL
    SubmodelBASE
    Beginning Year1981
    Ending Year1985
  • MakeBUICK
    ModelREGAL
    SubmodelBASE
    Beginning Year1982
    Ending Year1984
  • MakeBUICK
    ModelREGAL
    SubmodelBASE
    Beginning Year1982
    Ending Year1984
  • MakeBUICK
    ModelREGAL
    SubmodelBASE
    Beginning Year1986
    Ending Year1987
  • MakeBUICK
    ModelREGAL
    SubmodelCUSTOM
    Beginning Year1988
    Ending Year1988
  • MakeBUICK
    ModelREGAL
    SubmodelESTATE WAGON
    Beginning Year1982
    Ending Year1983
  • MakeBUICK
    ModelREGAL
    SubmodelESTATE WAGON
    Beginning Year1982
    Ending Year1983
  • MakeBUICK
    ModelREGAL
    SubmodelESTATE WAGON
    Beginning Year1982
    Ending Year1983
  • MakeBUICK
    ModelREGAL
    SubmodelGNX
    Beginning Year1987
    Ending Year1987
  • MakeBUICK
    ModelREGAL
    SubmodelGRAND NATIONAL
    Beginning Year1984
    Ending Year1987
  • MakeBUICK
    ModelREGAL
    SubmodelGRAND NATIONAL
    Beginning Year1984
    Ending Year1987
  • MakeBUICK
    ModelREGAL
    SubmodelLIMITED
    Beginning Year1978
    Ending Year1979
  • MakeBUICK
    ModelREGAL
    SubmodelLIMITED
    Beginning Year1978
    Ending Year1980

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