65-66 Mustang Coupe to Fastback Fold Down Seat Rear Interior Kit

Product Highlights

• Vehicle Fitment: 1965–1966 Ford Mustang Fastback
• Application: Fastback interior restoration and coupe-to-fastback conversion projects
• Rear Seat Style: Fold-down rear seat configuration
• Includes: Major fold-down seat, trap door, interior trim, and mounting hardware components
• Ideal For: Classic Mustang restorations, custom builds, and interior conversion projects
• Sold As: Multi-component interior conversion kit

Complete Your 1965–1966 Mustang Fastback Interior Conversion

The rear interior of a classic Mustang fastback is an essential part of its original character. From the distinctive fold-down seat to the rear trap door and quarter-panel trim, these components help recreate the functional design and classic appearance Mustang enthusiasts appreciate.

This 1965–1966 Mustang Fastback Fold-Down Rear Seat Interior Conversion Kit combines many of the major components required for a fastback-style rear interior. Instead of sourcing numerous individual parts separately, you can start your restoration with a coordinated collection of essential components.

Whether your Mustang is undergoing a complete restoration or a coupe-to-fastback body conversion, this kit provides a practical starting point for assembling the rear interior structure.

What's Included in the Kit?

The kit is based on the major interior components required for a 1967–1968 fastback fold-down rear seat configuration.

• Fold-down rear seat assembly and Trim
• Rear seat frame back and bottom
• Rear seat trap door panel
• Trap door hinges and latch
• Fold-down seat latch and latch cover w/ Hardware
• Trap door catch/latch
• Fastback Lower Side Quarter trim panels w/ Courtesy Lights
• Fastback Upper Quarter Vent Panels
• Interior Metal Trim for Panel Joints (5 Piece Kit) 
• Fastback interior Upper/Corner Trim components (5 Piece Panel Kit)
• Fastback body bracket kit (Brackets to Mount Interior Panels)

Designed for 1965 and 1966 Ford Mustang Fastbacks

This kit is intended for classic Mustang fastback restoration and interior conversion applications for the 1965 and 1966 model years.

Compatible applications:

• 1965 Ford Mustang Fastback
• 1966 Ford Mustang Fastback

For coupe-to-fastback conversions, additional body modifications, structural components, and installation work may be required. Every restoration project is different, so inspect your vehicle and confirm the complete parts requirements before beginning installation.

Early and late production details can also affect the fit of certain trim and latch components. Verify model-year and production-specific compatibility before ordering.

Important Product Information

This is a structural and trim-component conversion kit, not a complete soft-trim upholstery package.

The kit does not include colored or upholstered interior components such as:

• Rear seat upholstery
• Seat foam
• Carpet
• Headliner
• Dash pad
• Door panels
• Other color-matched interior upholstery

These items may be purchased separately to complete your Mustang's interior restoration.

Additional parts may be required depending on the vehicle's existing configuration, previous modifications, and restoration goals. Professional installation or experienced fabrication may be necessary for coupe-to-fastback conversion projects.