This is a "LIFT OFF" hood. Can not be used with factory hinges.

HAIRY GLASS PART#683 75-78 MUSTANG II  HOOD W/ REAR COWL (LIFT OFF)

Requires hood pins (front and rear) or Dzus fasteners

These are light weight fiberglass parts manufactured for race use only.   Hood and hatch are lift off and have no provision for mounting with factory hinge. Rear bumper does not have proper "tabs" for mounting to factory car