Increase the displacement of your RZR 170 to 183cc with the Big Bore Kit from Vent Racing. The Vent Racing Big Bore kit is not a cure all for your RZR 170 issues but it will increase, power, compression and displacement. If your little one is getting a little bigger or you want them to have a little more giddy-up when riding with you, the Vent Racing Big Bore Kit makes an excellent upgrade.
Fits: RZR 170 (All years)
Fits: RZR 170 (All years)
- Includes: higher compression 63.5 mm piston, wrist pins, high and low compression gaskets, and cylinder
- Works with or without Vent Racing Race Head Kit
- Professional tuning is highly recommended after installation
