Installation of engine cowl and full length gear doors and relocation of engine oil cooler and replacement exhaust system. For PA-24-250, S/N 24-103 and up; for PA-24-260, S/N 24-3642, 24-4000 to 24-4782 and 24-4784 to 24-4803. View PDF on drs.faa.gov ↗

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