LUK is a good brand to go with, Center Force is another.
Go to www.summitracing.com
. and look up your vehicle. Stay away from Omix-Ada brand if at all possible. They don't last.
'87 YJ, 4.2L built and bored, 8.5" of lift, 8.8 rear, AX15/NP 231, Tom Woods drive shafts, Flat fenders, 12,000LB winch, Custom bumpers, Rattle can paint job. Never completed...