Inlet & Exhaust Valve Set 4M40 2800cc Diesel
Direct Fit: Mitsubishi Pajero GLX SFX
Part Number: Inlet Valve Set ME200050 + EXHAUST ME200051
THIS SET CONSIST OF FOLLOWING THINGS:
4 x INLET VALVES WITH DIMENSIONS:
HEAD DIAMETER: 41.00, OVERALL LENGTH: 108.50, STEM DIAMETER: 8.0
4 x EXHAUST VALVES WITH DIMENSIONS:
HEAD DIAMETER: 35.00, OVERALL LENGTH: 108.30, STEM DIAMETER: 8.0
Benefits of inlet and exhaust valves
The precise and coordinated function of the valves provides significant benefits for engine performance and efficiency:
- Controls combustion: By regulating the timing and duration of air-fuel intake and exhaust expulsion, valves are fundamental to controlling the combustion process. This leads to reliable and smooth engine performance.
- Enhances power and efficiency: Optimizing valve timing and lift allows for the maximum amount of air and fuel to enter the combustion chamber. This improves the volumetric efficiency of the engine, leading to increased power output and better fuel efficiency.
- Reduces emissions: Proper valve timing ensures complete combustion, which reduces harmful emissions. Modern technology, such as variable valve timing (VVT), allows for adaptive and precise control of valve operation to meet strict emission standards.
- Improves scavenging: A period known as "valve overlap" occurs when both the inlet and exhaust valves are slightly open at the end of the exhaust stroke. This helps pull the remaining exhaust gases out of the cylinder with the inertia of the fresh intake air, clearing the chamber for the next cycle and increasing efficiency.
- Dissipates heat: Exhaust valves, made of heat-resistant materials like silicon-chromium alloys, are designed to dissipate extreme heat from the combustion process, preventing damage to the engine. Hollow valves filled with sodium are used in high-performance engines to transfer heat away from the valve head.
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