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Qa1

QA1 79-93 Ford Mustang LS Tubular K-Member

SKU: QAPMUK21

K-Members

QAP K-Member...

Qa1

QA1 79-93 Ford Mustang LS Tubular K-Member

SKU: QAPMUK21

K-Members

QAP K-Member...

A$1,830.66
LOW STOCK! Est Ship 4-7 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

QA1's tubular K-members are designed to allow owners of 1979-2004 Mustangs to use the engine of their choice while enjoying the significant weight savings, increased header clearance, and improved geometry provided by a QA1 K-member. , , This K-member is designed for 79-93 Mustangs with an LS motor swap. Bolt-In Design, All mounting points have been digitally indexed from new, factory K-members., Made from High-Quality American-Made HSLA Steel, Weight Savings, At over 50% lighter than the stock K-member, the entire QA1 K-member weighs only 25lbs.!, Increased Header Clearance, Header and oil pan clearance maximized for easier maintenance and installation., Modular Design for Versatility, Bolt-in engine mounts that can be easily swapped out for future engine changes., Improved Geometry, Ideal for street performance, autocross, pro touring or drag racing, these K-members maintain optimum anti-dive geometry and minimize bump steer issues on Mustangs with a lowered stance. And because they retain the factory wheel base, these K-members easily bolt on to factory components without any wheel or tire fitment changes. , For best results, QA1 control arms are strongly recommended.

Product Overview

QA1's tubular K-members are designed to allow owners of 1979-2004 Mustangs to use the engine of their choice while enjoying the significant weight savings, increased header clearance, and improved geometry provided by a QA1 K-member. , , This K-member is designed for 79-93 Mustangs with an LS motor swap. Bolt-In Design, All mounting points have been digitally indexed from new, factory K-members., Made from High-Quality American-Made HSLA Steel, Weight Savings, At over 50% lighter than the stock K-member, the entire QA1 K-member weighs only 25lbs.!, Increased Header Clearance, Header and oil pan clearance maximized for easier maintenance and installation., Modular Design for Versatility, Bolt-in engine mounts that can be easily swapped out for future engine changes., Improved Geometry, Ideal for street performance, autocross, pro touring or drag racing, these K-members maintain optimum anti-dive geometry and minimize bump steer issues on Mustangs with a lowered stance. And because they retain the factory wheel base, these K-members easily bolt on to factory components without any wheel or tire fitment changes. , For best results, QA1 control arms are strongly recommended.


Features and Benefits

  • Enhance performance & reduce weight
  • Increase header clearance
  • Enhanced geometry
  • Maintain factory track width
  • Multiple engine mounting options
  • Made in the USA

Product Details

Brand:QA1
Description:QA1 79-93 Ford Mustang LS Tubular K-Member
Manufacturer Part Number:MUK21
Part Number:qapMUK21
Prop 65 - Short Label:WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov
Prop 65 Yes/No:Yes
Title:QA1 Engine Crossmember MUK21
UPC:806990151612

Part Type

Suspension Crossmember

Data: v4.2 - Upd: 2026-10-15 00:27:37

Features

  • Enhance performance & reduce weight
  • Enhanced geometry
  • Increase header clearance
  • Made in the USA
  • Maintain factory track width
  • Multiple engine mounting options

Specifications

Product Attributes - Brand
QA1
Product Attributes - Manufacturer's Part Number
MUK21
Product Attributes - Part Type
K-Members
Product Attributes - Product Line
QA1 Mustang K-Members
Product Attributes - UPC
806990151612
Product Attributes - K-Member Material
Steel
Product Attributes - K-Member Color
Black
Product Attributes - Control Arms Included
No
Product Attributes - Coilover Springs Included
No
Product Attributes - Motor Mounts Included
Yes
Product Attributes - Steering Rack Included
No
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Qa1
StreetFX SKU qapMUK21
SFX Item ID 4094945
Supplier Item Code 4094945
Manufacturer SKU MUK21
Manufacturer UPC 806990151612
Alternative References qa1, QA1-MUK21

Brochures

Compatibility

Application Data
  • UniversalNo
    MakeFORD
    ModelMUSTANG
    Beginning Year1979
    Ending Year1993
    Engine TypeV8
    Engine Size4.8L/294
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
  • UniversalNo
    MakeFORD
    ModelMUSTANG
    Beginning Year1979
    Ending Year1993
    Engine TypeV8
    Engine Size5.3L/325
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
  • UniversalNo
    MakeFORD
    ModelMUSTANG
    Beginning Year1979
    Ending Year1993
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
  • UniversalNo
    MakeFORD
    ModelMUSTANG
    Beginning Year1979
    Ending Year1993
    Engine TypeV8
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
  • UniversalNo
    MakeFORD
    ModelMUSTANG
    Beginning Year1979
    Ending Year1993
    Engine TypeV8
    Engine Size6.2L/376
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
  • UniversalNo
    MakeFORD
    ModelMUSTANG
    Beginning Year1983
    Ending Year1983
    Engine TypeV8
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
  • MakeFORD
    ModelMUSTANG
    SubmodelBASE
    Beginning Year1979
    Ending Year1979
    Engine TypeL4
    Liter2.3
    CID140
    Engine Size2.3L/140
    Engine FamilyFord 4-cylinder
    Engine VIN CodeW
  • MakeFORD
    ModelMUSTANG
    SubmodelBASE
    Beginning Year1979
    Ending Year1979
    Engine TypeL4
    Liter2.3
    CID140
    Engine Size2.3L/140
    Engine FamilyFord 4-cylinder
    Engine VIN CodeY
  • MakeFORD
    ModelMUSTANG
    SubmodelBASE
    Beginning Year1979
    Ending Year1979
    Engine TypeL6
    Liter3.3
    CID200
    Engine Size3.3L/200
    Engine FamilyFORD L6 GAS
    Engine VIN CodeT
  • MakeFORD
    ModelMUSTANG
    SubmodelBASE
    Beginning Year1979
    Ending Year1979
    Engine TypeV6
    Liter2.8
    CID171
    Engine Size2.8L/171
    Engine FamilyFord V6
    Engine VIN CodeZ
  • MakeFORD
    ModelMUSTANG
    SubmodelBASE
    Beginning Year1979
    Ending Year1979
    Engine TypeV8
    Liter5.0
    CID302
    Engine Size5.0L/302
    Engine FamilyFord small block Windsor
    Engine VIN CodeF
  • MakeFORD
    ModelMUSTANG
    SubmodelBASE
    Beginning Year1980
    Ending Year1981
    Engine TypeL4
    Liter2.3
    CID140
    Engine Size2.3L/140
    Engine FamilyFord 4-cylinder
    Engine VIN CodeA
  • MakeFORD
    ModelMUSTANG
    SubmodelBASE
    Beginning Year1980
    Ending Year1981
    Engine TypeL6
    Liter3.3
    CID200
    Engine Size3.3L/200
    Engine FamilyFORD L6 GAS
    Engine VIN CodeB
  • MakeFORD
    ModelMUSTANG
    SubmodelBASE
    Beginning Year1980
    Ending Year1981
    Engine TypeV8
    Liter4.2
    CID255
    Engine Size4.2L/255
    Engine FamilyFord small block Windsor
    Engine VIN CodeD
  • MakeFORD
    ModelMUSTANG
    SubmodelCOBRA
    Beginning Year1981
    Ending Year1981
    Engine TypeV8
    Liter4.2
    CID255
    Engine Size4.2L/255
    Engine FamilyFord small block Windsor
    Engine VIN CodeD
  • MakeFORD
    ModelMUSTANG
    SubmodelGHIA
    Beginning Year1979
    Ending Year1979
    Engine TypeL4
    Liter2.3
    CID140
    Engine Size2.3L/140
    Engine FamilyFord 4-cylinder
    Engine VIN CodeY
  • MakeFORD
    ModelMUSTANG
    SubmodelGHIA
    Beginning Year1979
    Ending Year1979
    Engine TypeL6
    Liter3.3
    CID200
    Engine Size3.3L/200
    Engine FamilyFORD L6 GAS
    Engine VIN CodeT
  • MakeFORD
    ModelMUSTANG
    SubmodelGHIA
    Beginning Year1979
    Ending Year1979
    Engine TypeV6
    Liter2.8
    CID171
    Engine Size2.8L/171
    Engine FamilyFord V6
    Engine VIN CodeZ
  • MakeFORD
    ModelMUSTANG
    SubmodelGHIA
    Beginning Year1979
    Ending Year1979
    Engine TypeV8
    Liter5.0
    CID302
    Engine Size5.0L/302
    Engine FamilyFord small block Windsor
    Engine VIN CodeF
  • MakeFORD
    ModelMUSTANG
    SubmodelGHIA
    Beginning Year1979
    Ending Year1980
    Engine TypeL4
    Liter2.3
    CID140
    Engine Size2.3L/140
    Engine FamilyFord 4-cylinder
    Engine VIN CodeW
  • MakeFORD
    ModelMUSTANG
    SubmodelGHIA
    Beginning Year1980
    Ending Year1981
    Engine TypeL4
    Liter2.3
    CID140
    Engine Size2.3L/140
    Engine FamilyFord 4-cylinder
    Engine VIN CodeA
  • MakeFORD
    ModelMUSTANG
    SubmodelGHIA
    Beginning Year1980
    Ending Year1981
    Engine TypeL6
    Liter3.3
    CID200
    Engine Size3.3L/200
    Engine FamilyFORD L6 GAS
    Engine VIN CodeB
  • MakeFORD
    ModelMUSTANG
    SubmodelGHIA
    Beginning Year1980
    Ending Year1981
    Engine TypeV8
    Liter4.2
    CID255
    Engine Size4.2L/255
    Engine FamilyFord small block Windsor
    Engine VIN CodeD
  • MakeFORD
    ModelMUSTANG
    SubmodelGL
    Beginning Year1982
    Ending Year1982
    Engine TypeL6
    Liter3.3
    CID200
    Engine Size3.3L/200
    Engine FamilyFORD L6 GAS
    Engine VIN CodeB
  • MakeFORD
    ModelMUSTANG
    SubmodelGL
    Beginning Year1982
    Ending Year1982
    Engine TypeV8
    Liter4.2
    CID255
    Engine Size4.2L/255
    Engine FamilyFord small block Windsor
    Engine VIN CodeD

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