Skip to content
Free freight on orders over $199 · Every part matched to your VIN before it ships◆Free freight on orders over $199 · Every part matched to your VIN before it ships◆Free freight on orders over $199 · Every part matched to your VIN before it ships◆Free freight on orders over $199 · Every part matched to your VIN before it ships◆
CLASSIC PARTSGARAGE0items in cart
1968 Ford Mustang Coupe to Fastback Conversion Kit, part number FM7641
CLASSIC PARTS GARAGE · SCHEMATIC
FM7641
FM7641Golden StarRear

1968 Ford Mustang Coupe to Fastback Conversion Kit

Major body conversion kit for 1968 Ford Mustang Coupe projects, designed to transform the roof and rear body structure toward a fastback-style configuration. Intended for advanced restoration, custom builds, and professional fabrication.

In stock12 Months

Not concours correct

This kit is appropriate for a 1968 Mustang coupe-to-fastback project because the conversion involves more than simply installing a different roof skin.

$6,314.95
1
003Specification

What it is

SHEET
003
SUBJECT
FM7641
SCALE
1:1
REV
A

1968 Ford Mustang Coupe to Fastback Conversion Kit Product Description Shop 1968 Ford Mustang Coupe to Fastback Conversion Kit for a complete body-style transformation, custom restoration, or fastback-inspired project. Replacing used Mustang roof and rear body panels piece by piece can make a conversion harder to plan. Order 1968 Mustang fastback conversion components as a coordinated kit for a more organized fabrication process. Designed for 1968 Ford Mustang coupe projects, this conversion kit provides the major body components required to transform the upper and rear structure toward the fastback body profile. It is intended for experienced restoration shops, fabricators, and advanced builds where extensive cutting, welding, measuring, and structural alignment are expected. Key Features Designed for 1968 Ford Mustang coupe conversions Converts coupe body toward a fastback-style profile Suitable for major restoration and custom builds Provides coordinated structural and exterior body components Helps reduce the need to source individual conversion panels Useful for damaged or heavily modified project shells Supports fastback roof and rear-quarter body geometry Intended for professional welding and body fabrication Suitable for restomod and custom Mustang projects Product Specifications Specification Details Product Type Coupe to Fastback Conversion Kit Vehicle Ford Mustang Model Year 1968 Starting Body Style Coupe Target Body Style Fastback Installation Type Major Structural Body Conversion Material Steel / Verify Roof Structure Verify Kit Contents Quarter / Sail Panels Verify Kit Contents Inner Structural Panels Verify Kit Contents Rear Window Structure Verify Kit Contents Deck / Trunk Components Verify Kit Contents Welding Required Yes Professional Installation Strongly Recommended Why Choose a Conversion Kit? Converting a coupe to a fastback involves far more than replacing the roof skin. The roof structure, rear window opening, quarter-area geometry, inner reinforcements, deck structure, and surrounding panels must work together accurately. A coordinated conversion kit can simplify parts sourcing and give a fabricator a more complete starting point for the transformation.

Features
  • Designed for 1968 Ford Mustang Coupe conversion projects
  • Converts coupe upper body toward a fastback-style profile
  • Suitable for restoration, restomod, and custom fabrication
  • Helps reduce the need to source major conversion panels individually
  • Supports fastback-style roof and rear-quarter geometry
  • Intended for major structural bodywork
  • Useful for heavily modified or restoration-project shells
  • Designed around coordinated body-panel relationships
  • Suitable for professional welding and fabrication
  • Can provide a more complete starting point for a fastback-style transformation
  • Requires careful measuring, bracing, panel alignment, and finishing
In the box
  • Fastback-style roof panel / roof skin
  • Roof support or inner roof structure where supplied
  • LH and RH sail / rear quarter upper panels
  • Inner quarter structural panels where supplied
  • Rear window opening structure
  • Package tray / rear deck components where supplied
  • Trunk transition panels where supplied
  • Roof rail or drip-rail related components where supplied
  • Reinforcement panels where supplied
  • Additional brackets and structural panels
  • Installation hardware where supplied
  • Installation instructions where supplied

Shipping weight 325.00 lb

004Application register

Everything this fits

1 application · 0 verified

SHEET
004
SUBJECT
FITMENT
SCALE
1:1
REV
A
Ford1
  • 1967–1968Mustang
    All engines

Intended specifically for a 1968 Ford Mustang Coupe starting body. This is not a simple bolt-on conversion. Extensive cutting, drilling, welding, body measuring, and fabrication are required. The vehicle should be properly braced before removing structural roof or quarter components. Rockers, floor structure, door openings, cowl, and rear body structure should be solid before conversion begins. Rust or previous collision damage can affect alignment. Verify door gaps and body dimensions before structural cutting. Confirm exact kit contents before ordering because conversion packages can vary significantly. Fastback glass, weatherstripping, interior trim, headliner, quarter glass, and related hardware may need to be sourced separately. Rear window geometry and roof alignment must be established accurately before final welding. Quarter panels and sail panels should be test-fitted together. Trunk, rear deck, quarter extensions, doors, and surrounding panels should be aligned before final welding. Additional reinforcement or repair panels may be needed if the donor coupe shell has corrosion. Professional frame or body-jig support is strongly recommended. Structural weld quality is critical to vehicle rigidity and safety. Seam sealing, rust protection, primer, and paint are required after fabrication. Large panels may require freight shipping and should be inspected for shipping damage before installation.

005Counter questions

Asked about this part

What is this product?
It is a body conversion kit designed to transform a compatible 1968 Ford Mustang Coupe toward a fastback-style body configuration.
What year Mustang is this kit intended for?
It is intended for 1968 Ford Mustang Coupe applications.
Does this kit convert a coupe into a real factory fastback?
It converts the coupe body toward fastback-style geometry using replacement structural and exterior body panels. Final originality depends on the quality of the conversion, exact parts used, and fabrication work.
Is this a bolt-on conversion?
No. This is a major structural body conversion.
Can a beginner install this kit?
It is not recommended for beginners because the conversion involves structural measuring, bracing, cutting, welding, and body alignment.
Does the roof need to be removed?
Yes, substantial portions of the original coupe roof and rear structure must be removed.
Does the rear window area change?
Yes. The fastback-style rear window opening and surrounding structure differ significantly from the coupe.
Are sail panels part of the conversion?
Yes, they are typically part of the fastback body structure.
Does the trunk transition area change?
It can, depending on the exact kit contents and body configuration.
Will coupe quarter glass work after the conversion?
No. Fastback-style quarter glass and related hardware may be required.
Is fastback rear glass included?
Not unless specifically stated.
What usually comes in a conversion kit?
Typical kits may include roof panels, sail-panel sections, inner roof structure, rear window structure, quarter-related panels, rear deck components, reinforcements, and related structural pieces.
Are exact kit contents always the same?
No. Conversion kits can vary significantly by supplier.
Is the conversion mainly cosmetic?
No. It is both cosmetic and structural.
Why is structural accuracy important?
The roof, quarter panels, door openings, glass openings, and rear body structure all need to align correctly.
Why is bracing necessary?
Removing the roof and rear structure can allow the body shell to shift or sag.
What areas should be braced?
Door openings and other critical body-reference points should be braced according to the fabricator’s structural plan.
Can a rotisserie be used?
Yes, but the body must be properly supported and braced.
Can the conversion be done on jack stands?
It is possible, but a properly leveled and supported jig is much safer and more accurate.
Why do the rockers matter?
They are important structural elements that help maintain body geometry once the roof is removed.
What is the biggest mistake to avoid?
Cutting the original body apart before the shell is measured, braced, and all critical replacement parts are confirmed.
What should I verify before ordering?
Confirm the 1968 Ford Mustang coupe starting body, structural condition, rocker and floor integrity, door-opening measurements, rear-body alignment, exact conversion-kit contents, required fastback glass, weatherstripping, interior trim, quarter glass, reinforcement components, freight requirements, and access to an experienced body fabricator before purchase.
007Same department

Also on this shelf

All Body & Sheet Metal