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Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
Wire Gauge: 4
Compatible Engine Codes: 139QMA
better fuel economy
LD 125/150
Jog 50 MBK Booster
NCY Performance Secondary Slider Sheave | GY6 161QMK Genuine Stella Auto Wire Gauge: 4The NCY Secondary Slider (Sliding Sheave) is a performance rear converter plate for GY6 125cc and 150cc and most 161QMK engines (verify Pulley diameter). Engineered to replace the restrictive stock sheave, this precision machined component optimizes belt movement across the entire RPM range for faster acceleration, smoother backshifts, and immediate throttle response. Why Upgrade to a Performance Secondary Slider? Dual Slot Profiles for Custom Tuning:
US$ 132.00
US$ 25.00
US$ 119.99
US$ 199.99
US$ 115.00
US$ 25.00
