Brakeline length question ???

I need to replace my factory lines on my lifted cherokee (4" of lift)and I've had an interesting offer.A buddy of mine has a complete set of Rough country braided lines (part #'s ZX267208 ZX267209F ) that he got for his YJ,but he totalled it so he offered them up for next to nothing.The problem I have is we don't know if they are stock as mine or longer as the YJ had.The part #'s are the same for the 1984-2001 XJ as they are for 1991-2006 YJ,TJ, Wranglers so I'm confused.

Just wondering if anyone has some experience here