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Home → Bay Outboard Extention kits → Mercury

Mercury
 Long Shaft Extension Kits
 Bay has expanded its line of kits to convert  Mercury outboards to long or extra long shaft.  Even though they cost a fraction of factory parts alone to convert standard motors to long shaft,  Bay extension kits are designed and manufactured of top quality materials to give lasting reliability to your outboard motor. 

Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. 

Dealer pricing is available pending proper qualifications. 


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Extension Kits for Mercury Models 250 2002
Extension Kits for Mercury Models 250 2002
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 250 2002 - 5 Inches
 
Base SKU:MCM100613
In Stock:Yes
Price: $900.00 
 
Quantity:   
Extension Kits for Mercury Models 3.0L Serial Number: 1999 and up by serial
Extension Kits for Mercury Models 3.0L Serial Number: 1999 and up by serial
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 3.0L Serial Number: 1999 and up by serial - 5 Inches
 
Base SKU:M100613
In Stock:Yes
Price: $900.00 
 
Quantity:   
Extension Kits for Mercury Models 300 hp Serial Numbers: OG981393 and up
Extension Kits for Mercury Models 300 hp Serial Numbers: OG981393 and up
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 300 hp Serial Numbers: OG981393 and up - 5 Inches
 
Base SKU:MMM100613
In Stock:Yes
Price: $900.00 
 
Quantity:   
Extension Kits for Mercury Models 40-50-60 4cyl 4 stroke Serial Number: OT and up
Extension Kits for Mercury Models 40-50-60 4cyl 4 stroke Serial Number: OT and up
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 40-50-60 4cyl 4 stroke Serial Number: OT and up - 5 Inches
 
Base SKU:MERC-100415
In Stock:No
Price: $560.00 
 
Quantity:   
Extension Kits for Mercury Models 50 3 cyl 2 stroke
Extension Kits for Mercury Models 50 3 cyl 2 stroke
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 50 3 cyl 2 stroke - 5 Inches
 
Base SKU:MERC-100227
In Stock:Yes
Price: $460.00 
 
Quantity:   
Extension Kits for Mercury Models 50 3 cyl 2 stroke Serial Number: 0T501925 and up
Extension Kits for Mercury Models 50 3 cyl 2 stroke Serial Number: 0T501925 and up
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 50 3 cyl 2 stroke Serial Number: 0T501925 and up - 5 Inches
 
Base SKU:MC-100227
In Stock:Yes
Price: $460.00 
 
Quantity:   
Extension Kits for Mercury Models 50 3 cyl 2 stroke Serial Number: 1B195987 and up
Extension Kits for Mercury Models 50 3 cyl 2 stroke Serial Number: 1B195987 and up
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 50 3 cyl 2 stroke Serial Number: 1B195987 and up - 5 Inches
 
Base SKU:MR-100227
In Stock:Yes
Price: $460.00 
 
Quantity:   
Extension Kits for Mercury Models 50 3 cyl 4 stroke Serial Number: OG760300 and up
Extension Kits for Mercury Models 50 3 cyl 4 stroke Serial Number: OG760300 and up
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 50 3 cyl 4 stroke Serial Number: OG760300 and up - 5 Inches
 
Base SKU:MER-100228
In Stock:Yes
Price: $460.00 
 
Quantity:   
Extension Kits for Mercury Models 50 4 cyl. 4 stroke Serial Number: 1B020914 and up
Extension Kits for Mercury Models 50 4 cyl. 4 stroke Serial Number: 1B020914 and up
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 50 4 cyl. 4 stroke Serial Number: 1B020914 and up - 5 Inches
 
Base SKU:ME-100415
In Stock:No
Price: $560.00 
 
Quantity:   
Extension Kits for Mercury Models 50 4 stroke Serial Number: BIG FOOT OG and up
Extension Kits for Mercury Models 50 4 stroke Serial Number: BIG FOOT OG and up
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 50 4 stroke Serial Number: BIG FOOT OG and up - 5 Inches
 
Base SKU:MERC100415
In Stock:No
Price: $539.00 
 
Quantity:   
Extension Kits for Mercury Models 60 3 cyl. Serial Number: 6428681 and up
Extension Kits for Mercury Models 60 3 cyl. Serial Number: 6428681 and up
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 60 3 cyl. Serial Number: 6428681 and up - 5 Inches
 
Base SKU:MCR-100406-8
In Stock:No
Price: $0.00 
 
Quantity:   
Extension Kits for Mercury Models 60 4 stroke Serial Number: 1B144686 and up
Extension Kits for Mercury Models 60 4 stroke Serial Number: 1B144686 and up
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 60 4 stroke Serial Number: 1B144686 and up - 5 Inches
 
Base SKU:M-100415
In Stock:No
Price: $560.00 
 
Quantity:   
Extension Kits for Mercury Models 650 3 cyl. Serial Number: 3293184 and up
Extension Kits for Mercury Models 650 3 cyl. Serial Number: 3293184 and up
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 650 3 cyl. Serial Number: 3293184 and up - 5 Inches
 
Base SKU:MR-100406-8
In Stock:No
Price: $0.00 
 
Quantity:   
Extension Kits for Mercury Models 650 Serial Number: 4571652 and up
Extension Kits for Mercury Models 650 Serial Number: 4571652 and up
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 650 Serial Number: 4571652 and up - 5 Inches
 
Base SKU:MERCR-100406-8
In Stock:No
Price: $0.00 
 
Quantity:   
Extension Kits for Mercury Models 70 3 cyl. Serial Number: A996142 and up
Extension Kits for Mercury Models 70 3 cyl. Serial Number: A996142 and up
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 70 3 cyl. Serial Number: A996142 and up - 5 Inches
 
Base SKU:MER100410
In Stock:Yes
Price: $540.00 
 
Quantity:   
Extension Kits for Mercury Models 700 & 70 3 cyl. Serial Number: 4571652 and up
Extension Kits for Mercury Models 700 & 70 3 cyl. Serial Number: 4571652 and up
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 700 & 70 3 cyl. Serial Number: 4571652 and up - 5 Inches
 
Base SKU:MRC-100406-8
In Stock:No
Price: $0.00 
 
Quantity:   
Extension Kits for Mercury Models 75 2 stroke Serial Number: D283222 and up
Extension Kits for Mercury Models 75 2 stroke Serial Number: D283222 and up
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 75 2 stroke Serial Number: D283222 and up - 5 Inches
 
Base SKU:MER-100414
In Stock:Yes
Price: $560.00 
 
Quantity:   
Extension Kits for Mercury Models 75 Optimax Serial Number: 1B027808 and up
Extension Kits for Mercury Models 75 Optimax Serial Number: 1B027808 and up
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 75 Optimax Serial Number: 1B027808 and up - 5 Inches
 
Base SKU:MERC-100414
In Stock:Yes
Price: $559.00 
 
Quantity:   
Extension Kits for Mercury Models 75 Serial Number: 6432901 and up
Extension Kits for Mercury Models 75 Serial Number: 6432901 and up
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 75 Serial Number: 6432901 and up - 5 Inches
 
Base SKU:MER100610
In Stock:No
Price: $0.00 
 
Quantity:   
Extension Kits for Mercury Models 75 Serial Number: B240451 and up
Extension Kits for Mercury Models 75 Serial Number: B240451 and up
Using compatible alloys in both the housings, shafts, and studs, these kits are as corrosion resistant as the motor itself. All shaft and studs are of stainless steel and housings are cast of the same type of alloy as used in the motors. Extension Kits for Mercury Models 75 Serial Number: B240451 and up - 5 Inches
 
Base SKU:ME-100414
In Stock:Yes
Price: $559.00 
 
Quantity:   
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