Description New up-to-date design has far better clearance for use in an AW11 MR2, now utilizes cylinder heads dowels for alignment and more accurate port matching!! That is what the resistor pack on some variations of the 4AGE does.Your MicroSquirt® EFI controller will limit the injector existing to ~5 Amps https://toyota4age04714.get-blogging.com/27235982/new-step-by-step-map-for-toyota-4age-for-sale