NCY High-RPM Racing Valve Set - 28/23mm for GY6 rattler 125 resists debris buildup

resists debris buildup

Mounts using existing hardware

ISO 9001 certified — made in Taiwan since 1987

VMA (Primavera) Vintage Large Frame VBC (150 Super)

NCY High-RPM Racing Valve Set - 28/23mm for GY6 rattler 125 resists debris buildupNCY 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