Polaris ACE 900 Transmissions
We make Polaris ACE 900 transmissions better than new
We know your Polaris ACE 900 transmission
Every Polaris ACE 900 transmission we build is done by one of our master technicians. With over 35 years of experience, your Polaris ACE 900 transmission is in great hands.
All Polaris ACE 900 Transmissions Include:
- A full inspection of engine core
- Clean, blasted/inspected engine cases
- Remanufactured cylinder head
- Crankshaft
- Intake camshaft
- Exhaust camshaft
- Connecting rods
- Nickel Plated Cylinders
- Counterbalance shaft
- Counterbalance bearings
- Main bearings
- Crankshaft bearings
- Valve Guides
- Intake & exhaust valves
- Valve stem Seals
- Valve Seats
- Valve springs
- Timing chain
- Oil pump chain
- Oil pump
- Timing guides
- Timing tensioner
- Seals & gaskets
- Assembly by a master technician
- Quality control inspection
All Polaris ACE 900 Transmissions Include the Following Upgrades:
- Upgraded moly pistons
- Upgraded manganese bronze valve guides
- Better main bearing specifications
- Better connecting rod bearing specifications
- Better piston to cylinder wall tolerances
- Upgraded timing guides
- Modified cam caps (better oiling capabilities)
We have options in engines to fit your needs:
High Performance Transmissions
Rev6 Mud King
Get a custom tuned transmission for any riding style.
Our Mud King transmissions will include our upgraded snorkel, pinion gears with our HD retainer plate.
24% Gear reduction, and our upgraded wide reverse chain.
If your running large tires, or living in the mud, this transmission will help get the job done with less effort.


Rev6 Rock King
Get a custom tuned transmission for any riding style.
Our Rock King transmissions will include our upgraded snorkel, pinion gears with our HD retainer plate and upgraded bearings.
Includes our 12% Gear reduction, and an upgraded wide reverse chain.
If you’re running large tires, Living on the rocks, this transmission will help get the job done with less effort and more reliability.
Rev6 Trail King
Get a custom tuned transmission for any riding style.
Our Trail transmissions will include our upgraded snorkel, pinion gears with our HD retainer plate and upgraded bearings.
Includes our 12% Gear reduction, and an upgraded wide reverse chain.
If you’re running large tires, Living on the trails or rocks, this transmission will help get the job done with less effort and more reliability.


We are so confident in our craftsmanship that each ACE 900 engine comes with a 1-year warranty. We offer free shipping inside the 48 continuous states and Canada.
We are so confident in our craftsmanship that each ACE 900 engine comes with a 1-year warranty. We offer free shipping inside the 48 continuous states and Canada.
Work with the best when it comes to your Polaris ACE 900 transmission.


we build better ACE 900 transmissioins!
Call Now 801-489-8697