Installation of two (2) Roto-Master (Rajay) P/N 600573-00 (RJ0326, RJ0326-1) or 600576-00 (RJ0326-2) (or any combination thereof) Turbochargers on Avco Lycoming Model IO-720-A1A and IO-720-A!B engines in accordance with Roto-Master (Rajay) Drawing RJ0999 or later FAA approval revision. View PDF on drs.faa.gov ↗

The STC PDF is authoritative: installation instructions, ICA requirements and limitations.