Main image
Click to view image in fullscreen
![]()
900 RZR XP _ 2011-2012 _ Polaris _ Hot Rods Bottom & Top-End ENGINE Rebuild Kit
Hot Rods Polaris Bottom-end & top-end ENGINE rebuild kit.
- No core return is required.
- Brand new, NOT rebuilt.
- Hot Rods crankshaft number 4421, replaces Polaris number 1204528 & 1204403.
- New standard size 93mm Cylinder Works Nikasil coated cylinder (size-matched to pistons below).
- 2 (TWO) Namura Teflon-coated piston kits (11:1 compression, 92.95 mm Standard Bore)
- All Balls K087 main bearings & seal kit.
- All Balls BBK0024 counterbalancer bearing kit.
- Vertex COMPLETE gasket kit.
- Meets or exceeds OEM specifications.
- Comes exactly as pictured to rebuild your bottom end.
NOTE: Refer to your repair manual for proper installation instructions.
Please ensure your model and year is listed below for proper fitment.
This part will ONLY work on models and years listed below:
| Year | Model |
| 2012 | RZR 4 900 XP |
| 2012 | RZR 4 900 XP |
| 2011-2012 | RZR 900 XP |
| 2011-2012 | RZR 900 XP |
| 2012 | RZR 900 XP, INTL |
| 2012 | RZR 900 XP, INTL |
Order Processing
Domestic Shipping Within The 48 States
Domestic Shipping Outside The 48 States
- All products are in stock at our St. Louis Distribution Center
- Orders ship the next business day
Domestic Shipping Within The 48 States
- Free shipping for all US locations
- PO boxes can't be utilized for UPS shipments
- USPS Express Mail expedited shipping option available
Domestic Shipping Outside The 48 States
- Free shipping for USPS ship methods
- Large/Heavy items that ship via UPS can't be shipped outside the 48 states
$1,830.72
Why Order From Us?
Fast Shipping
Easy Returns
In Stock
Today
Secure
Checkout