1965-68 NOS Autolite Spark Plug Wire Set. Ford Part Number C5AZ-12259-C
$950.00 Ford Part Description in Ford Parts Book: 65-68 427 ( with 8/B Carb ) Steel Core Wire
I measured each wire end to end (see photo) to check the fit on your Application.
#1 wire - 28 1/2 inches #5 wire - 25 1/2 inches
#2 wire - 25 1/2 inches #6 wire - 27 1/2 inches
#3 wire - 28 1/2 inches #7 wire - 25 1/2 inches
#4 wire - 28 inches #8 wire - 26 1/2 inches
Note: sorry the coil wire was not in the box.