lil' j,
There are actually threee options that you can take...a full 1/4 panel, which is an entire panel from the door to the wrap around of the rear taillight panel downward.
A wheel flare panel which goes from ~ an inch from the door jam and extends partially over the wheel well. This "patch" will repair the area from the bottom of the wheel well up to the door just above the rocker panel.
And finally the rear 1/4 patch panel which will repair the spot from the wheel well to the rear of the car (bottom only). All panels are considered "skin" meaning outer metal.
Without looking at your car, I can't decide what would be better for you. I would probably go with a full panel. That way you can examine your inner and outer wheel wells for rust while you have the old panel removed and make any repairs necessary. There are a lot of hidden areas that will be revealed upon disassembly.
NPDLink | National Parts Depot
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"yeah though I walk through the valley of the shadow of rice, I will fear no turbo for torque art with me. Thy rods and thy crankshaft, they comfort me."
1965 Fastback 289 hi-po 3sp.
1973 coupe 302 4V auto. -SOLD
1994 GT 'Vert