The valve spring is a key part of the valve train. The valve spring keeps the valves closed tightly against their seats until the cam opens the valve, which releases the pressure. READ MORE
Engine valves are located in the cylinder head.Engine valves are located in the cylinder head. The main function of the engine valves is to let air in and out of the cylinders. READ MORE
The diesel injector sleeve/ fuel injector sleeve, seals and protects the injector in the cylinder head, separating the fuel system from the cooling circuit. READ MORE
Valve lock/collet snaps into a groove in the end of the valve stem. It is designed to secure the valve spring , valve spring retaining washer and valve stem together. READ MORE
