Polaris RZR 170 2V Cylinder Head - Big Valve 30.5/26.5mm

DROWsports 2V Cylinder Head for the Polaris RZR 170 is a fully upgraded top end replacement. This is a Big Valve head designed to fit 57mm spacing cylinders like the Polaris RZR 170 engine. This high-quality built Cylinder Head is designed with larger 2 valves, 30.5 intake / 26.5 exhaust. The oversized valves working with a high-end cam will create better overall power. The ports are properly machined to achieve high tolerance. It includes the valves, gaskets, manifold/exhaust studs, and nuts. Features: 2 Valves: 30.5 intake / 26.5 exhaust Porting by Taida: 27.5mm intake / 26.5mm exhaust 6mm Manifold Studs w/Nuts 8mm Exhaust Studs MAO legal Part number # GY6-02057-30.5/26.5-2