GY6 150cc Cylinder Head 57.4mm with Valves (No SLS) by Citomerx
Prices plus VAT plus shipping costs
IN STOCK - Delivery time 1-3 working days
- Item no: 103220
- EAN: 4060861202735
- Manufacturer: Citomerx
- Manufacturer no.: 103220
Cylinder Head 150cc 57.4mm (with valves, without SLS) for GY6 157QMJ – High-quality tuning part by Citomerx
Upgrade your GY6 4-stroke engine (157QMJ or 152QMI) with this top-quality 150cc cylinder head (57.4mm) by Citomerx. This tuning part is designed for enhanced performance, durability, and easy installation. With valves included, this cylinder head ensures optimal efficiency and smooth engine operation.
It’s compatible with a wide range of scooter models, such as Baotian, Jonway, Keeway, Longjia, and more, using the GY6 engine platform. The absence of a secondary air system (SLS) makes it ideal for riders seeking a simple, performance-focused design.
Whether you’re looking for a replacement part or a performance upgrade, this cylinder head improves combustion, boosts performance, and ensures a seamless engine experience.
Customers often searched for this product using the following terms:
GY6 cylinder head 150cc, 57.4mm scooter cylinder, GY6 tuning parts, Citomerx scooter parts, 152QMI performance, 150cc cylinder head without SLS, Chinese scooter tuning parts, Baotian cylinder head, GY6 engine upgrade.
Technical Details:
- Displacement: 150cc
- Diameter: 57.4mm
- Compatibility: GY6 4-stroke engines (157QMJ, 152QMI)
- Valves: Included
- SLS: Without Secondary Air System
Rely on Citomerx for quality and performance. Order today and enjoy fast delivery and great prices!
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: | 4060861202735 |
Note: | Ohne 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: | 103220 |
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.