lift kit related queation

[Jeepster]

Im planning to upgrade some parts on the suspension and start with the lift. Im about to order a [url=http://4wheelonline.com/jeep/Jeep_Suspension_Lifts.20741]lift kit[/url] online. i'd go with 3 to 3.5 inch lift. Do i need to extend the brake lines if im going to install it?

[Desert Dog]

What year?
What kind of Jeep?
What kind of lift? (long arm, short arm, spring over, suspension + body)
How much drop are you building into it (shock length)