Product Description 381 - 4 Blade Propeller:
Fully machined Inboard propellers by Acme have revolutionized the propeller manufacturing industry. Acme's superior design, coupled with the 100% CNC process, positions Acme Propellers as the most efficient and consistently smooth performers in the world. Acme Inboard Propellers are engineered for quicker plane times, improved speeds and lower fuel consumption.
Add a Harmonic Prop Kit or Traditional Prop Kit to your order for no hassle installations.
Features:Diameter - 13.5
Pitch - 17.5
Cup - .105
Bore - 1 1/8"
Rotation - LH