NCY Drive Face - Aluminum - Genuine/GY6 patches Pulley 16x13 Variator Slide Set:

Pulley 16x13 Variator Slide Set: 139QMB

Adjustable shock length — lower or raise ride height by adjusting the shock length (10mm range)

Pulley's patented composite sliding geometry features a multi-faceted profile that slides smoothly within the variator ramps — allowing the variator to open wider and close further for better low-end acceleration

This OEM replacement crankshaft assembly fits 139QMB engines with 16 tooth oil pump drives

Long-lasting durability — reduces wear on both weights and variator

NCY Drive Face - Aluminum - Genuine/GY6 patches Pulley 16x13 Variator Slide Set:By reducing the rotational mass of the drive pulley, NCY's aluminum performance drive face increases acceleration and squeezes a few more RPMs out of your Genuine or GY6 150 engine. Specifications: Weight: 144g Compatibility: Genuine scooters and bikes with GY6 150cc engines 157QMJ based 125cc 150cc 169cc engines with the following engine codes: 157QMJ 161QMK 152QMI 1P61QMK YN1P57QMJ 1P52FMI 154FMI JJ157QMJ 1P57QMJ BN157QMJ BN161QMK A Other QMJ, QMK,