470930-9018 OH HARTZELL PRESSURE RELIEF VALVE 637583-18

Specifically, these RSF requirements are:

All turbo-system components are overhauled in accordance with the most recent component maintenance manual revision

Only original Hartzell Engine Technology manufactured components are utilized during the overhaul process

Product liability insurance applies to all turbo-system components overhauled

All overhauled turbo-system components have a two-year, 1000-hour warranty against material and workmanship defects.”