Size & Material: 13.5Diameter x 13 Pitch; Rotation: Right; Blade: 4 ; Color: Silver; High Quality Stainless Steel; Code:YSDS; 15Tooth Spline Thru Hub Exhaust; Pressed in. Outstanding Quality: Based on strict quality control, our propellers are extremely durable without sacrificing top speed, acceleration or RMPS, reduce the wear and tear on your engine and fully-fuel efficiency. BRAVO ONE DRIVE (BRAVO ONE &BRAVO ONE X DRIVES ONLY).