NCY GY6 Performance Valve Spring Set
$29.00
NCY GY6 Performance Valve Spring Set
Made from electroplated titanium, these springs deliver tighter valve control at higher RPMs compared to stock, reducing float and improving throttle response. Includes one inner and one outer spring per valve (2 of each).
Inner spring — ID: 12.25mm | Length: 32.5mm | Width: 16.09mm | Wire thickness: 1.96mm
Outer spring — ID: 17.20mm | Length: 35.6mm | Width: 22.5mm | Wire thickness: 2.9mm
Fits 2-valve cylinder heads on GY6 QMJ157, QMI152, QMK161, and related engine codes
Compatible engine codes: 157QMJ, 161QMK, 152QMI, 1P61QMK, YN1P57QMJ, 1P52FMI, 154FMI, JJ157QMJ, 1P57QMJ, BN157QMJ, BN161QMK-A, and other QMJ/QMK/QMI variants
Made in Taiwan | ISO 9001 certified