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Improved Outboard Motor Performance For All Customers. Bay Outboard Extension Kits convert outboard motor shaft length ensuring optimal propeller depth to eliminate cavitation and improve fuel efficiency.
70 Outboard Extension Kits that convert any outboard boat motor to any length at a fraction of the cost to satisfy all of your boating performance needs.
We offer over 70 different Long Shaft Conversion Kits across 6 different Outboard motor brands that will convert short shaft outboards to long shaft outboards or extra long shaft outboards.
Bay extension kits are designed and manufactured of top quality materials to give lasting reliability to your outboard motor. Kits come complete with everything you need to add 5" to your lower unit. A 5" housing, stub driveshaft, water tube, shift shaft plus all studs nuts etc that are needed.
Bay kits are designed and manufactured of top quality materials to give lasting reliability to your outboard motor. All shafts and studs are stainless steel for maximum corrosion resistance and lifetime performance. Spacer housings are cast of the same series alloy as used in the motors.
13 mar 2014 · Apparently some of the Bay kits for larger motors will require some drilling/reaming of the mid section of the motor in order to accomodate the drive shaft extension. Call the Bay Kit folks and they will answer any questions!
New Mercury 9.9 - 20 HP 11 Spline Driveshaft Outboard Extension Kit. $795.00. Bay Manufacturing.
