Cyl #1 - 30"
Cyl #2 - 24.5"
Cyl #3 - 24"
Cyl #4 - 23"
Cyl #5 - 26"
Cyl #6 - 24"
These measurements are end to end. Take off 3/8" to the center of each boot for coil pack connection and 1.5" into the plug boot to the connector for each so connection lengths are:
Cyl #1 - 28 1/8"
Cyl #2 - 22 5/8"
Cyl #3 - 22 1/8"
Cyl #4 - 21 1/8"
Cyl #5 - 24 1/8"
Cyl #6 - 22 1/8"
HTH