Build a properly matched suspension or steering setup with this QA1 crossmembers. Manufacturer part number 52115 is offered in the listed 79-04 Ford Mustang LS K-Member Engine Mount Kit configuration, so vehicle application, mounting position, dimensions, spring rate, adjustment range, and all notes must be confirmed before ordering.
Key Features
- QA1 K-Member Exclusive: Fits only QA1 tubular K-members like KOK-307 for direct bolt-on LS engine installation.
- American Manufacturing: Precision built in Lakeville MN from high-strength materials for durability under high horsepower loads.
- Performance Focused Design: Reduces unwanted movement improves weight transfer and enhances handling on lowered or modified suspensions.
- Innovative in-house carbon fiber driveshafts and high-performance chassis parts.
- 83,000 sq ft manufacturing facility produces American-made components for racing and street.
- Yes for vehicles equipped with QA1 K-member KOK-307. Designed for Fox Body chassis LS swaps across Base GT Cobra LX and other submodels listed.
Fitment
| Years | Make | Model | Submodel or Application |
|---|---|---|---|
| 1979-1981 | Ford | Mustang | All listed configurations unless otherwise noted |
| 1994-2004 | Ford | Mustang | All listed configurations unless otherwise noted |
| 1981 | Ford | Mustang | Cobra |
| 1979-1981 | Ford | Mustang | Ghia |
| 1982-1983 | Ford | Mustang | GL |
| 1982-1983 | Ford | Mustang | GLX |
| 1982-2004 | Ford | Mustang | GT |
| 2001 | Ford | Mustang | GT Bullitt |
| 1995 | Ford | Mustang | GTS |
| 1982-1984 | Ford | Mustang | L |
| 1984-1993 | Ford | Mustang | LX |
| 2003-2004 | Ford | Mustang | Mach 1 |
| 1984-1986 | Ford | Mustang | SVO |
| 1993-1999 | Ford | Mustang | SVT Cobra |
| 2001 | Ford | Mustang | SVT Cobra |
| 2003-2004 | Ford | Mustang | SVT Cobra |
| 1993 | Ford | Mustang | SVT Cobra R |
| 1995 | Ford | Mustang | SVT Cobra R |
| 2000 | Ford | Mustang | SVT Cobra R |
| 1983 | Ford | Mustang | Turbo GT |
Confirm chassis configuration, suspension position, drivetrain clearance, brake package, wheel and tire clearance, and every current QA1 application note.
Specifications
| Brand | QA1 |
|---|---|
| Manufacturer Part Number | 52115 |
| Product Type | Crossmembers |
| Listed Configuration | 79-04 Ford Mustang LS K-Member Engine Mount Kit |
| Compatibility Basis | Vehicle Specific |
| Condition | New |
What's Included
One new QA1 crossmembers identified by manufacturer part number 52115, with only the components and hardware supplied by QA1 for that exact part number.
About QA1
QA1 develops suspension, steering, driveline, rod-end, bearing, spring, and chassis components for street, performance, racing, restoration, and custom vehicle applications.
Related QA1 Products
- Shop all QA1 products
- QA1 79-95 Ford Mustang 5.0L K-Member Engine Mount Kit
- QA1 96-04 Ford Mustang 4.6L K-Member Engine Mount Kit
- QA1 79-93 Ford Mustang (w/o Engine Mounts) Tubular K-Member
Frequently Asked Questions
Will QA1 52115 fit my 1979-1981 Ford Mustang?
Match the complete fitment row, then verify mounting position, suspension configuration, drivetrain clearance, brake package, wheel and tire clearance, and every current QA1 note.
What measurements matter when ordering QA1 52115?
Verify the dimensions and interfaces named in this listing, including thread size and direction, extended and compressed length, bore, spring dimensions or rate, mounting style, and available clearance as applicable.
Does QA1 52115 require setup after installation?
Suspension and steering work commonly requires torque verification, clearance and travel checks, ride-height or damping setup when adjustable, and a professional alignment before road use.
Installation
Follow the current QA1 instructions for this exact part number. Support the vehicle safely, compare every component before disassembly, use the specified hardware and torque values, verify thread engagement and mounting orientation, cycle the suspension through its operating range, check brake and wheel clearance, and complete an alignment when the installation changes suspension or steering geometry.
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