EXTREME ANTI-CORROSION: Props are robotic powder-coated using AkzoNobel patented anti-corrosive coating powder. With optimized blade geometry, this propeller enhances acceleration and reduces slip, making it the ideal choice for boating enthusiasts seeking performance and... Aluminum Outboard Boat Propeller Fit Johnson Evinrude Cupped | Meses EXCELLENT PERFORMANCE: Props are designed based on OEM blade geometry, with appropriate cupping and camber added. Please check your engine shaft before purchasing and refer to product description area for Detailed Engine Application. Excellent bow lift, acceleration and top speed as well reducing slip,increasing bite. More important that it is environmentally safe. Boat Propeller Aluinu Outboard Cupped Propeller Boat Prop 9 7/8X12 For - Want It All Outboard Motor Propeller MATERIAL: Made of high-strength aluminum. POLAMAX Aluminum 3 Blades Outboard Cupped Propeller Boat Prop (9 7/8X9, 9 7/8X10 1/2, 9 7/8X11 1/4, 9 7/8X12, 9 7/8X13, 9 7/8X14) with 10 Spline Tooth for... Detailed Engine Application: Compatiable for YAMAHA 20-30HP 3 Gearcase 20hp…1996-1997 F25(4 stroke)…1998-2006; 2010-newer 25hp…1980-newer 30hp…1983-2002 This propeller is after market product. We guarantee the performance and quality., Free Return Accepted