Enhance your boating experience with this high-performance Replacement Outboard Propeller, specifically designed for 8-20HP outboard engines with a 2 1/2 inch gearcase. Crafted from durable aluminum alloy combined with high-density pure copper spline teeth, this propeller delivers powerful thrust, exceptional acceleration, and reliable performance in both freshwater and seawater environments. Ideal for a wide range of compatible models, it ensures smooth, efficient propulsion and optimal engine matching for your vessel. Key Features: · Precision Fitment: Compatible with various 8-20HP outboard engines including DF8A, DT9.9, DF9.9, DF9.9A, DT15, DF15, DF15A, and DF20A models, designed for a 2 1/2 inch gearcase for seamless replacement. · Low Resistance 3-Blade Design: Three sharply contoured aluminum alloy blades reduce underwater resistance, enabling the propeller to swiftly cut through water for improved speed and fuel efficiency. · Durable 10-Spline Copper Teeth: Equipped with 10 spline teeth forged from high-density pure copper, providing a precise and reliable connection to match engine speed and deliver optimal power transfer. · Seawater Resistant Coating: Finished with a smooth, salt-resistant paint layer that protects against corrosion and damage even after prolonged exposure to harsh marine environments. · Positive and Negative Rake Configuration: Features a 9 1/4 inch diameter and 10 inch pitch, combining positive rake for efficient bow lift and larger diameter use, and negative rake for enhanced blade strength in high-speed applications. · Superior Performance: Designed to maximize bow lift and acceleration while minimizing slip and cavitation, the cupped blade shape ensures excellent bite and high efficiency at both low and high speeds under heavy loads. Specifications: · Material: Aluminum Alloy with Copper Spline Teeth · Propeller Diameter: Approx. 9 1/4 inches · Pitch: Approx. 10 inches (25.4 cm) · Number of Blades: 3 · Number of Splines: 10 Teeth · Rotation Direction: Right-Hand Package Includes: · 1 x Replacement Outboard Propeller This meticulously engineered boat motor propeller replacement is the perfect upgrade for your outboard engine, offering long-lasting durability, corrosion resistance, and enhanced boating performance. Trust this propeller to deliver efficient thrust and reliable operation on your next marine adventure.