The GP 123 Prop Washer is a precision-machined, high-strength component specifically designed for Great Power GP-123 gas engines. Built to provide secure and balanced propeller mounting, this washer is essential for maintaining engine stability, alignment, and safety during high-performance flights.Crafted from durable, torque-resistant material, it withstands the stresses of powerful engine operation, keeping your propeller firmly in place. Whether you're replacing a worn washer or outfitting a new engine, this is the official spare part trusted by serious RC flyers for long-lasting reliability.Features: Compatible with GP-123 gas engines Precision-machined for accurate fit and prop balance High-strength material resists torque and wear Ensures secure and stable propeller mounting Ideal as a replacement or spare part for reliable engine performance A must-have for any GP-123 owner, this washer ensures your engine runs smoothly and safely.