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{"title":"JL486ZQ2 1.8L Turbo Engine Cylinder Head Assembly with DOHC 4 Valves Dual VVT","imgUrl":"https:\/\/img.chinax.com\/nimg\/a8\/62\/5af10b986eda799a30dedd14b7d6-200x200-1\/jl486zq2_1_8l_turbo_engine_cylinder_head_assembly_with_dohc_4_valves_dual_vvt.jpg","attrs":{"Model Number":"JL486ZQ2","camshaft":"alloy cast iron","Horsepower":"280 HP","Transmissioncompatibility":"6-Speed Automatic"}}
{"title":"JL486ZQ5 Cast Aluminum Alloy Engine Head Assembly With Dual VVT Integrated","imgUrl":"https:\/\/img.chinax.com\/nimg\/69\/6c\/8d9c71c5a6153ebb24a8e2c638b6-200x200-1\/jl486zq5_cast_aluminum_alloy_engine_head_assembly_with_dual_vvt_integrated_exhaust_manifold.jpg","attrs":{"Delivery Time":"10DAY","Compressionratio":"10.5:1","Numberofcylinders":"6","Fueltype":"Gasoline"}}
{"title":"Cast Aluminum Alloy Cylinder Head Assembly DOHC 4 Valves for Changan 478QEE","imgUrl":"https:\/\/img.chinax.com\/nimg\/d3\/0c\/93abf6d74aee9615762195e66419-200x200-1\/cast_aluminum_alloy_cylinder_head_assembly_dohc_4_valves_for_changan_478qee_engine.jpg","attrs":{"Compressionratio":"10.5:1","Numberofcylinders":"6","Fueltype":"Gasoline","Certification":"ISO"}}
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
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2011
Employee Number:
78~100
Ecer Certification:
Verified Supplier
As a professional manufacturer specializing in automotive engine cylinder block and head assemblies, the company integrates R&D and production of engine components. Established in 2011, it is recognized as a pioneer in engine cylinder block and head assembly technology. Headquartered in Chon...
As a professional manufacturer specializing in automotive engine cylinder block and head assemblies, the company integrates R&D and production of engine components. Established in 2011, it is recognized as a pioneer in engine cylinder block and head assembly technology. Headquartered in Chon...