Oh please every single one of these questions and answers is covered by searching. PLEASE stop making new threads about 8.8 swaps.
8.8 doesn't need an SYE virtually any lift height does.
Also... bracket placements depends on lift height and SYE/no sye.
97 TJ Sport - 4.0/HP D30 w ARB/8.8 w LS/4.88s; 35s and flat fenders on 2.5 lift
84 CJ7; frame off restoration in progress.
The technical advice you get from me here is worth exactly what you paid me for it. Warranty issues will be reimbursed at double what you paid me for the advice.