I have a unused set I no longer need, as purchased a set of concourse leads:
SPARK PLUG WIRE SET 65/71 289/302 (FLAME THROWER) $45.00 plus freight
Pertronix "Flame Thrower" Spark Plug Wire Set for 1965-1971 289 & 302.
Features:
-Black 7mm custom-fit plug wires.
-Stainless steel alloy spiral around a carbon-impregnated fiberglass core.
-Low 500 ohm per/ft resistance.
-Silicon jackets to resist high temperatures, moisture, oil & chemicals.
-EPDM rubber inner insulation for superior heat resistance and prevention of arcing & voltage leaks.
-Fiberglass reinforced braid for added strength & flexibility.
http://www.mustangsunlimited.com/search_sorted.asp?Keywords=708105&x=42&y=10