These are the flow ratings for the most popular Bosch injectors used in Jeeps and their uses:

Bosch 0280155712 19.4lb/hr @ 43.5psi - Stock replacements in Renix 4.0 XJs

Bosch 0280155703 22.7lb/hr @ 43.5psi - Stock replacements in 4.0L HO Jeeps, stroker engines making up to 240hp in '96+ Jeeps

Bosch 0280155784 26.3lb/hr @ 43.5psi - Stroker engines making up to 250hp in '87-'95 Jeeps (39psi rail pressure), stroker engines making up to 280hp in '96-'04 Jeeps (49psi rail pressure)

These four-hole injectors have a wider spray pattern than OEM single-hole injectors for better fuel atomization. Benefits are improved fuel economy, improved driveability, and lower hydrocarbon emissions.