Stiffen up your classic Mustang’s chassis with QA1’s tubular subframe connector kit. Designed for 1964–1970 Mustangs, this bolt-on upgrade ties the front and rear subframes together, reducing chassis flex and improving overall handling performance. Perfect for street cars, restomods, and track builds, QA1 subframe connectors make your Mustang feel more solid and responsive. STRENGTHEN YOUR MUSTANG’S FOUNDATION Classic Mustangs are known for body flex, especially when cornering or under hard acceleration. QA1’s tubular subframe connectors solve this by creating a rigid connection between the front and rear frames. The result: more predictable handling, reduced squeaks and rattles, and improved traction for modern driving demands. EASY INSTALLATION These connectors are engineered for a true bolt-on installation with no need to cut into the floorpan. They are built to work with the QA1 4 link suspension and fit tightly to the frame rails for maximum rigidity.
FITMENT NOTES: Fits 1964–1970 Ford Mustangs: Bolt-on installation, no floor cutting required: Works exclusively with QA1 4 link rear suspension – does not fit leaf spring or with other aftermarket suspensions
Application-specific fit for 1964–1970 Ford Mustangs with QA1 4 link rear suspension
Designed to work with QA1 suspension upgrades for a complete system
Tubular steel construction for maximum strength with minimal weight
Enhances traction and stability during acceleration and cornering
Durable black powder coat finish for long-lasting protection
Bolt-on installation - no cutting into the floor required
Reduces chassis flex and improves handling response
QA1 64-70 Ford Mustang Subframe Connector Kit
Suspension Subframe Crossmember Brace
QA1 52087 Subframe Connector Kit
QA1 Subframe Connectors
1964-1970 Ford Mustang
Subframe Connectors
