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Mercury Racing Engines - 575 GM 540 V-8 1986-1992

1:35 XR Lower Ratio Gears
Your Price:
$1,359.99
This Part has options, please click the button below to order.
Part Options

Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

1:35 XR Lower Ratio Gears

527-84087

1:35 XR Lower Ratio Gears

These forged XR Lower Gears allow you to have a 1.50 upper XR gears and make your drive to a 1:35 set or 1:26 ratio over all. Bearing and seal kits not included. All drive parts have no warranty.
1-1/4" Bravo XR Replacement Prop Shaft
Your Price:
$995.99

1-1/4" Bravo XR Replacement Prop Shaft Kit

525-840377T

1-1/4" Bravo XR Replacement Prop Shaft with Blue Carrier
1-1/4" Propshaft Conversion Kit
Your Price:
$1,299.99

1-1/4" Propshaft Conversion Kit

527-400

1-1/4" Propshaft Conversion Kit

TIRED OF BREAKING 1” PROP SHAFTS? CHANGE TO THE BIG SHAFT FOR THE RIGHT PRICE! This conversion kit has all the parts that you will need to change your Bravo One, 1” prop shaft to a 1-1/4” prop shaft using you gear set! You don’t need to buy a new gear set! In most cases you can install this kit without removing the drive. This kit comes complete with conversion shaft & carrier kit.

Install Order:

  1. LOAD RING 
  2. O-RING
  3. LOAD CARRIER 
  4. LOCK TAB 
  5. CARRIER NUT  
Gear Set (19/16) Mercruiser 43-840898A3
Your Price:
$2,971.36
This Part has options, please click the button below to order.
Part Options

Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Gear Set (19/16) Mercruiser 43-840898A3

525-43-840898A3

Gear Set (19/16) Mercruiser 43-840898A3

Supersedes: 43-849348A3

Supercedes: 43-849348A3
HD Bravo Output Shaft Replaces Mercury #939064, 93906A2, 8M0192274
Your Price:
$1,299.99

HD Bravo Output Shaft Replaces Mercury #939064, 93906A2, 8M0192274

221-2000

This is a direct replacement for the flanged shaft (Mercury OEM's #939064, 93906A2, 8M0192274) inside the bell housing for a driveline setup with a Bravo drive. They are made from 4340 chromoly and actually weigh 0.2lbs heavier than the stock ones even though they are exactly the same dimensions. Made in the USA. 
Heavy Duty Down Shaft - 2" Shorter
Your Price:
$722.99

Heavy Duty Down Shaft - 2" Shorter

421-01-3267

This shaft is cross drilled to create it's own internal central-fed lubrication system Better oiling promotes longer, more reliable duty cycle A must on high performance applications. This model is 2" Shorter.
Mercury XZ Bravo Gears Kit 1:50 Ratio
Your Price:
$2,899.99
This Part has options, please click the button below to order.
Part Options

Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Mercury XZ Bravo Gears Upgrade Kit 1:50 Ratio

525-3109T1 + Option(s)

Mercury XZ Bravo Gears Upgrade Kit 1:50 Ratio

You can now upgrade your standard Bravo upper to the NewXZ Gear Set from Mercury. This kit will come with all the bearings,seals, new clutch, shift fork, XZ gears. Correct shims are required and are an option if needed. Before you order this we need to know what shim is stamped on your case. Remove rear cover to see your stamp on the case. Any questions please call on our techs to help you locate it. Please review the ordering instructions to make sure you get the right shims with your kit.
Upper Gear Shaft
Your Price:
$374.99

Upper Gear Shaft

421-01-3599

Upper Gear Shaft

Upgraded Upper Gear Shaft, this shaft is more forgiving thanthe stock harden shafts to allow less twist and breaks.  Makesa great upgrade to any Bravo / XR / XZ drives.
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