

NCY Big Valve Cylinder Head (58.5mm, 2 Valve); Genuine/GY6
$125.00
- High Quality Products
- Industry-Standard Quality Parts
- Compatible with Most Motorcycle Brands
- Built for Long-Lasting Performance
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.
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Fast Shipping & Returns
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Online Support 24/7
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