Small case and Large Case Alternators for Jeep Wranglers JL and JK 3.6L Engines
small case 250a units are good for 150-160a at idle, and 260+ peak at 1900+ RPM 320s peak 340+ at 1900+ RPM.
Large Case 270a units are good for 200+a at idle and 280+a at 1900+ RPM. 370s Peak 390+ at 1900+ RPM. The 270a Unit also works with the stock length belt.
All Units bolt on direct no modifications needed to bracket or plug.
Unit comes in standard bare aluminum picture is for example of fitment only.