The valve which allows mixture into the cylinder is the inlet valve; the one through which the spent gases escape is the exhaust valve. They are designed to open and close at precise moments, to allow the engine to run efficiently at all speeds.
Fitment Applications
For Isuzu FVZ & FVR model trucks with the 6HK1 engine.
Valve stem seals provide a leak of the oil to keep the valve system lubricated. When the lubrication is in a controlled manner, this helps the valve guide to slide without any harm. Too much oil and it causes carbon buildup; too less of oil, and it causes the stem and guide wear.
Fitment Applications
For Isuzu FVZ & FVR model trucks with the 6HK1 engine.
A big end is the end of a connecting rod that engages with a crankshaft. The top end of the connecting rod is called the small end, and the bottom end is called the big end.
The valve seat in an internal combustion gasoline or diesel engine is the surface against which an intake or an exhaust valve rests during the portion of the engine operating cycle when that valve is closed.
Fitment Applications
For Isuzu FVZ & FVR model trucks with the 6HK1 engine.
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