The 55297 is an aircraft starter adapter assembly designed to transmit torque from the starter motor to the engine crankshaft during engine start, and then automatically disengage once the engine is running.

Key features include:

OEM Sky-Tec starter adapter assembly
Overrunning clutch mechanism for automatic disengagement
Engine-mounted accessory drive interface
Hardened internal drive components for high torque durability
Designed to prevent starter back-driving after engine start
Compatible with select Continental engine configurations (application-dependent)
Precision-machined aerospace-grade assembly
FAA-PMA approved replacement component
Used in general aviation piston engine starting systems
This assembly is commonly used in aircraft starter systems where reliable engagement, torque transfer, and protection of the starter from engine overspeed are required.