I bought a ball joint install kit from harbor freight this summer. Just did my uppers the other day. The HF kit was just barely useable. I haven't tried it on the lowers yet. If I had to do it again, Is just get the kit from advance or autozone. Worked good last time.
Gray 99 Laredo with '04 driveline wap. Tons of fun coming soon. Steel bumpers. 5 1/2" IRO coils, IRO adj. track bar. Rancho RS9000 Addco rear sway. 2"x.250" DOM long arms with johny joints. Custom A-arm with ball joint delete (J-joint). JK Moab wheels/ 33x 12.5 x 17 Cooper SST. Bushwacker Flares.