ARB / OME 87-95 Jeep Wrangler YJ Rear Nitrocharger Shock Absorber WHY ARB ARB's Old Man Emu (OME) and BP-51 lines are tuned by ARB engineers in Australia for predictable handling under load — empty, loaded, or towing. BP-51 internal bypass technology delivers premium damping with zero-fade performance over washboard, sand, and rock. FITMENT 1987-1995 Jeep Wrangler YJ ⚠ CA Prop 65 Warning