A diesel engine cylinder head comprising a cylinder head body (1).

A cylinder head for an engine is provided.

An action system is connected to the bolt carrier for cycling the bolt carrier in the receiver.

A cylinder head gasket arrangement for an engine assembly is disclosed.

The magnetic circuit includes a magnet, a yoke for holding the magnet, and a top plate cooperative with the yoke to form a magnetic gap.

A bolt handle assembly for a firearm is disclosed.

The bolt (78) is provided with means (79) mounting the bolt for axial displacement and rotation on the outside of the barrel (21).

In a cylinder head for diesel engines with direct fuel injection, the combustion chamber (10) is arranged directly within the cylinder head (1).

The spacer is located on top of the cylinder head and it also serves the purpose of extending the bore provided in the cylinder head for accommodating the dual fuel injection valve.

An injector is disposed within the engine cylinder head for supplying fuel into the cylinder.

A head cover assembly for covering a crankcase of an internal combustion engine includes a head cover and an integral oil separator.

The invention relates to a breech-block system for a firearm, comprising a breech-block (10), whose displacement in the barrel block (1) can be locked by means of at least one locking element.

The coil is mounted to a yoke to form a rotor of the electrical machine.

Inspect the surfaces of the engine block, cylinder head and new head gasket to be sure they are clean.

A bolt for a firearm having a plurality of ribs disposed on a main body and extending from a front end toward a tail portion of the bolt.