Could it be time to upgrade to a Catto? The Catto two blade on my RV-9A is now ten years old and has 1000 hours and still looks new on the front side. The rear has some pitting, nothing more.
RV-9A with NEW LYCOMING O-320-D2G with Roller Lifters
Catto 2 blade propeller
Dual PMAG with EI Commander
Dual Dynon HDX, Garmin GTN 650Xi
Dual PlanePower Alternators
Based at Santa Monica CA. The Socialist City Airport
Over 1,000 hours of Exploration and Bliss