NCY High-RPM Racing Valve Set - 28/23mm for GY6 rattler 125 Good idea to install one

Good idea to install one of these alongside any cylinder kit upgrade

Mounts using existing hardware

GTS 250/300

ISO 9001 certified — made in Taiwan since 1987

Single-wire ring terminal lead — plug-and-play with existing starter relay harness

NCY High-RPM Racing Valve Set - 28/23mm for GY6 rattler 125 Good idea to install oneNCY Performance Racing Valves deliver a noticeable improvement in idle quality and high end pull on GY6 125cc, 150cc, and 171cc engines. Precision lapped seats ensure a perfect 360 seal, eliminating compression loss and erratic idling common with soft factory valves that stretch or leak under high stress. These are also the OEM replacement valves for the NCY Big Valve High Flow Cylinder Head (SKU 1100 1254). Made in Taiwan. SKU: 1100 1257. Key