Polaris RS1 Engines
We make RS1 engines better than new
We know your RS1 engine
Every RS1 engine we build is done by one of our master technicians. With over 35 years of experience, your RS1 engine is in great hands.
All RS1 Engines 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
- 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 RS1 engines 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)
- High temperature valve stem seals
We have options in engines to fit your needs:

We are so confident in our craftsmanship that each 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 RS1 engine comes with a 1-year warranty and an option for a 2 year warranty. We offer free shipping inside the 48 continuous states and Canada.
Work with the best when it comes to your engine.


we build better engines!
Call Now 801-489-8697