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Your cart is empty.
Your cart is empty.Product Description


Marine Boat Prop Stop Propeller Stop Block
Our JSP Brand Boat Propeller Stop Block for marine / boat propellers is simple to use. Securely holds your prop in place while removing or installing prop nuts ensuring a safe prop change out. Simply slip on to anti-ventilation or cavitation plate to wedge one prop blade against and to keep the propeller from turning. Please remember to remove the propeller stopper before using your boat.
- Plastic Marine / Boat Propeller Stop Block
- Securely holds prop during change out.
- Simple to use.
- Makes prop-changing safer.
- Compact, lightweight, keep onboard with your prop wrench.
- Colors: Black, Blue, or Yellow - Select your color
- Quantity: 1 stop block
- Made in USA
Product Specifications
- Length: 4-7/16 inches
- Width: 1-10/16 inches
- Height: 2-15/16 inches
- Length of Slide Groove: 2-1/4 inches
- Colors: Black, Blue, or Yellow
- Quantity: 1 stop block
- Made in USA
Easy to Use Instructions:
- Turn off ignition or disconnect battery.
- Position propeller stop center with blade tip.
- Slide propeller stop onto the right side of cavitation or anti-ventilation plate.
- Remove Prop
- Reverse position of propeller stop to install and tighten prop nut
- After installation is complete, remove propeller stop
- Reconnect Battery
Fitment & Features:
Fits:
- All Outboard & Stern Drive applications
Features:
- Securely holds prop during change out.
- Simple to use.
- Makes prop-changing safer.
- Compact, lightweight, keep onboard with your prop wrench.

*This item is also sold in a kit with the Propeller Wrench.
Please Note: Despite every effort to accurately depict each of our product's color when uploaded to our website, actual colors may vary due to lighting, as well as different devices you might be using. Therefore the color in the image may vary slightly for the actual color of the product.
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