465Q11 Cylinder Head Assembly
Basic Information
- Model: 465Q11 Cylinder Head Assembly
- Engine Fitment: 465 Series Inline 4-Cylinder Water-Cooled Gasoline Engine (0.8L-1.0L displacement)
- Material: High-strength aluminum alloy casting, lightweight with excellent heat dissipation
- Configuration: Overhead Valve (OHV) / Overhead Camshaft (OHC), 4-cylinder 8-valve (2 intake/2 exhaust per cylinder)
Core Structure & Components
Cylinder Head Body
Integrated intake/exhaust ports, combustion chamber, coolant passages and oil galleries, precision-machined for sealing and strength.
Valve Train
- Intake/Exhaust Valves: Heat-resistant alloy steel, wear and corrosion resistant
- Valve Springs: Dual-spring design for stable valve closure at high RPM
- Valve Guides/Seats: High-precision sintered metal parts for precise valve movement and sealing
Valve Actuation
- Rocker Arms & Shafts: Transmit camshaft drive force to control valve opening/closing
- Camshaft: Drives valves for precise valve timing (included in some assemblies)
Auxiliary Parts
- Spark Plug Bore: For standard spark plug installation
- Intake/Exhaust Manifold Mounting Surface: Pre-drilled bolt holes for manifold connection
- Cylinder Head Bolt Holes: Precise positioning with engine block for full sealing
Performance Features
- High Reliability: Mature structural design, suitable for long-term heavy-duty operation of mini vehicles and light commercial vehicles
- Fuel Efficiency: Optimized combustion chamber and port design to improve combustion efficiency and reduce fuel consumption
- Easy Maintenance: Modular assembly design for quick replacement and repair, reducing after-sales costs
- Wide Compatibility: Widely adapted to mainstream mini vehicles such as Changan Star, Wuling Sunshine, DFM K07, etc.
Technical Specifications
| Specification |
Value |
| Bore |
65mm |
| Number of Valves |
8 (4 intake / 4 exhaust) |
| Combustion Chamber Type |
Wedge / Hemispherical |
| Compression Ratio |
8.8-9.5:1 |
| Emission Standard |
China III / China IV |