board Motor 40HP 50HP 55HP 60HP 2 4 Stroke Marine Boat Metal Oxidation Resistant Features： 1、Applicable Model: The propeller spacer is for outboard motor 2 4 Stroke 40HP 50HP 55HP 60HP. Please confirm whether it is consistent with the product you want before buying to avoid unnecessary return. 2、OE Number: The part numbers for reference are 663?45987?02?00, 663?45987?02. Please confirm whether it is consistent with the OE you need to avoid wrong buying and other problems. 3、 Material: Made of high strength material, the propeller spacer washer features oxidation and rust resistance, ensures maximum durability and long lasting use in challenging marine environments. 4、Enhanced Performance: The prop spacer helps to achieve a smoother and more efficient propeller performance, improving boat speed and maintaining engine stability. 5、Simple Installation: The outboard propeller spacer has easy to install design, convenient for replacing your old or damaged propeller spacer, providing a secure and snug fit to the propeller. Specification： Item Type: Propeller Spacer OE Number: 663-45987-02-00, 663-45987-02 Fitment: Fit for Outboard Motor 2 Stroke 40HP 50HP 55HP 60HP Fit for Outboard Motor 4 Stroke 40HP 50HP 60HP Package List： 1 x Propeller washer