Cylinder Head 150cc 57.4mm with Valves and SLS for China 4-Stroke GY6 157QMJ 152QMI Rex Baotian Citomerx 107354 Tuning
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- Item no: 107354
- EAN: 4060861231049
- Manufacturer: Citomerx
- Manufacturer no.: 107354
The Citomerx 150cc cylinder head with 57.4 mm bore is the perfect choice for anyone looking to improve the performance and durability of their 4-stroke GY6 engine. Whether as an original replacement for 157QMJ engines or as a tuning upgrade for 152QMI models – this cylinder head impresses with precise manufacturing, accurate fit and integrated secondary air system connection (SLS). With pre-assembled valves, installation is quick and hassle-free – ideal for mechanics who value reliability and efficiency. Get the most out of your engine and enjoy better combustion and greater dependability.
Product Advantages:
✔️ Precisely fitting cylinder head with 57.4 mm bore – perfect for 150cc GY6 engines
✔️ Includes pre-assembled valves – ready for installation
✔️ With SLS connection for secondary air system compatibility
✔️ Durable Citomerx design – reliable and high performance
✔️ Suitable for Rex, Baotian and many other Chinese scooters
Scope of Delivery:
1x 150cc cylinder head (57.4 mm) with pre-assembled valves and SLS
Product type: | Cylinder head |
Cylinder head dimensions (LxWxH): | 140 x 140 x 60 mm |
Displacement: | 150 ccm |
Cylinder head stud bolt spacing: | 54 x 54 mm |
Tuning & Styling Part: | No |
Vintage part: | No |
Cylinder head stud diameter: | 9 mm |
Surface finish: | Matt |
GTIN: | 4060861231049 |
Note: | Mit SLS |
Scope of delivery: | Cylinder head |
Color: | Grey |
Spark plug thread: | M10 x 1 |
Features: | Corrosion resistant, Durable |
Engine type: | 4-stroke |
Scope of delivery: | 1x cylinder head |
Manufacturer number: | 107354 |
Country and region of manufacture: | China |
Type of motorcycle: | Scooter |
Units quantity: | 1 |
Manufacturer warranty: | 2 years |
Material: | Aluminum |
Type: | Standard |
suitable for: | 4-stroke China GY6 157QMJ / Tuning for GY6 152QMI |
ZS 2Radteile GmbH
Unterbibracherstr. 3
95519 Vorbach
Web page https://www.citomerx.de
Email: info@zweiradteile.net

Citomerx stands for quality, precision, and performance for motorcycles, scooters, mopeds, and quads. As a renowned manufacturer, Citomerx offers a broad range of parts and accessories designed for both DIY enthusiasts and professional workshops. With cutting-edge manufacturing technology, strict quality controls, and innovative design, Citomerx sets new standards for durability and performance.
From cylinder kits and variator weights to exhaust systems and brake components, Citomerx reliably delivers solutions that meet the highest demands. Known for precise fit and excellent value for money, Citomerx parts are the first choice for maintaining and enhancing two-wheelers.
Citomerx understands the needs of riders and offers products engineered for maximum durability and efficiency. Constantly evolving to keep pace with market trends and technological advances, Citomerx is a trusted name for those who value performance, safety, and modern design.
Choose Citomerx – for uncompromised riding pleasure and reliable technology.