New hardened stainless steel bearing for improved vibration resistance and longer life.
FAA-PMA, STC kit includes:
Engine - Airbox
The butterfly (not included in the kit) must be brazed or tack welded to the shaft during installation, and the bearing housings must be brazed, tack welded or flush riveted to the carburetor heat box. Avoid applying excessive heat during brazing or tack welding or the hardened stainless steel bearing may be damaged. See the installation instructions for complete details.