NCY Big Valve Cylinder Head (58.5mm, 2 Valve); Genuine/GY6

DESCRIPTION: NCY’s Big 2-Valve Cylinder head lets that cylinder on your Genuine Buddy 125/150/170i, Blur 150, or GY6 bike breathe easier. Specifications:
Dimensions: 7.5″L x 7″W x 2.75″H
Cylinder Head Stud Space: 54mm
Valve stem: 5mm
Intake Manifold Bolt-to-Bolt Space: 45mm
Intake Threads: M6
Exhaust Bolt-to-Bolt Space: 45<51mm
Exhaust Threads: M8
Compatibility: Genuine Buddy 150 and GY6 engines noted below.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, and QMI models

Don’t see your engine listed? If the engine code includes “QM” or “FM”, this product is compatible with your vehicle.About NCY: NCY is the aftermarket performance parts leader for most popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6 / QMB powered scooters. Made in Taiwan with strict quality standards since 1997, NCY is ISO 9001 certified.Made in Taiwan.This product is intended for off-road use only.This product is not intended for use on public roads or land.This product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.*Performance upgrades are considered racing parts and are not covered by warranty.

SPECIFICATIONS: Specifications:
Dimensions: 7.5″L x 7″W x 2.75″H
Cylinder Head Stud Space: 54mm
Valve stem: 5mm
Intake Manifold Bolt-to-Bolt Space: 45mm
Intake Threads: M6
Exhaust Bolt-to-Bolt Space: 45<51mm
Exhaust Threads: M8

COMPATIBILITY: Compatibility: Genuine Buddy 150 and GY6 engines noted below.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, and QMI models

Don’t see your engine listed? If the engine code includes “QM” or “FM”, this product is compatible with your vehicle.About NCY: NCY is the aftermarket performance parts leader for most popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6 / QMB powered scooters. Made in Taiwan with strict quality standards since 1997, NCY is ISO 9001 certified.Made in Taiwan.This product is intended for off-road use only.This product is not intended for use on public roads or land.This product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.*Performance upgrades are considered racing parts and are not covered by warranty.

157QMJ 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, and QMI models

Don’t see your engine listed? If the engine code includes “QM” or “FM”, this product is compatible with your vehicle.About NCY: NCY is the aftermarket performance parts leader for most popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6 / QMB powered scooters. Made in Taiwan with strict quality standards since 1997, NCY is ISO 9001 certified.Made in Taiwan.This product is intended for off-road use only.This product is not intended for use on public roads or land.This product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.*Performance upgrades are considered racing parts and are not covered by warranty.

MODEL FITMENTS: Brands: Amstar, Amigo, Ascend, Baotian, Bashan, Blade, Boom, Chicago Scooter Company, Dongfang, Roketa, Baotian, Bashan, BMS, Cool Sports, E Ton, Fly Wing, Eagle, Fly, Italica, Riya, Ice Bear, Jackel, Jet Moto, JCL, Taotao, Peace, JM Star, Jonway, Kazuma, Keeway, KMD, Kymco, Lance, Lifan, Linhai, Loncin, Longbo, Fuxin, Jiajue, Tao Tao, Tao Motors, Trailmaster, Maxtrade, Meitien, Motofino, Motorino, NST, Panterra, Panther, Qlink, Yiben, Red Streak, Redcat, Roketa, Schwinn, Strada, SYM, Tank, Terminator ,Tomberlin, TNG, United Motors, Vento, Vitacci, Wildfire, Wolf, X-Treme, X-Pro, Yongfu, ZNEN, Zhongneng , Zhilong, Geely, Wangye, ZH and more Manufactured by: Taizhou Zhongneng Motorcycle Co.; Jiangsu Zhongneng Motorcycle Co.; Jiangsu Meijunte Technology Co.; Taizhou Qianxin Vehicle Co.; Ningbo Dongfang Lingyun Vehicle Made Co.; Taizhou Zhilong Technology Co.; Zhejiang Jiajue Motorcycle Manufacturing Co.; Zhejiang Gelly Ming Industrial Co.; Taizhou City Senglong Motorcycle Manufacture Co.; Jiangsu Sacin Motorcycle Co.; Jiangsu Linhai Power Machinery Group Co.; Zheijiang TaoTao Vehicles Co.; Zhejiang Senling Motorcycle Co.; Sanmen County Yongfu Machine Co; Taizhou Jiaojiang Zhiwei Motorcycle Manufacture Co.; Huzhou Daixi Zhenhua Technology Trade Co.; Taizhou Zhongneng Motorcycle Co.; Zhejiang Riya Motorcycle Co.; Ningbo Longjia Motorcycle Co.; Taizhou Zhongneng Motorcycle Co.; and more