ACME Propeller CNC Machined Prop Sizes:515 3BL LH 13x12 Bore 1 1/8 It has 3 locking positions

It has 3  locking positions

Please specify type of gear box required

10:1 5:1 1:1

All our late model adapters are now drilled with (12) thread holes to allow better indexing of the steering wheel to a straight position when installed

ACME Propeller CNC Machined Prop Sizes:515 3BL LH 13x12 Bore 1 1/8 It has 3 locking positionsACME Propellers available in a range of sizes. These perfectly balanced CNC machined propellers provide a smooth ride and low down torque. More Sizes Available > If your Prop size is not listed please call (02) 45779288 for a quote Computer Numerically Controlled milling machines provide an extremely accurate and consistent means for removing metal. if your having trouble translating the markings on your propeller take a look at the instruction on