Polaris RZR 800 Big Bore Kit – +2mm Cylinder & Wiseco Pistons (2008-2017)
About this item
Looking to squeeze more power out of your Polaris RZR 800?
This big bore top end kit is exactly what the doctor ordered.
It bumps your displacement by boring the cylinder out to 82mm, and it comes with two Wiseco forged pistons—so you know you’re getting race-quality components.
The kit is built by Apex, with gaskets from Winderosa, and everything’s machined right here in the USA.
It fits RZR 800 models from 2008 all the way through 2017, making it a solid upgrade for nearly a decade of machines.
The kit includes the +2mm cylinder, the forged pistons, and all the gaskets you need to button it back up.
If you’re tearing down your top end for a rebuild anyway, this is the perfect time to add some serious grunt.
Just make sure you’re comfortable with engine assembly, or have your local shop handle it.
Either way, you’re gonna love the extra torque on the trails.
- Free shipping
- Free 30-day returns
How do you want your item?
Free 30-day returns
