Increase your 170's power with our big bore kit. This kit increases the displacement to 183 cc, making the 170 significantly more powerful. This kit comes with higher compression 63.5 mm piston, wrist pins, high and low compression gaskets, and cylinder. This product is designed to work with or without our race head kit with +3 valves. Kit increases power, compression and displacement. It works on all Polaris RZR 170 models.
***This kit will require professionally tuning. (We can not solve tuning issue over the phone. No matter how good you are at making the engine noises.)*** This kit is not a "fix all" for a 170 that has existing issues.