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The part of an engine that covers the cylinders and valves

system responsible for removing exhaust gases from the engine

Substance applied to surfaces to create a seal between engine components

The valve that allows air and fuel into an engine cylinder

The total distance a piston moves in a vehicle's engine

Component that directs air and fuel into the engine's cylinders

A brand name for PTFE, a synthetic material used in engine treatments

The valve that allows exhaust gases out of an engine cylinder

plug that allows for the drainage of engine oil

An engine that circulates liquid coolant through passages and a radiator to carry heat away. Gerry’s Vanagon spark-plug reference lists DH water-cooled engines with Digijet for 1983–1985 and MV engines with Digifant for 1986–1991. Verify engine code, market, and model year; this archived table is an identification aid, not a complete application chart.

A gasket that seals the oil pump in the engine

A heavy metal used in some engine treatments for its anti-wear properties

The springs that return the valves to their seats in an engine

Pipe that carries exhaust gases from engine to exhaust system

A sensor used to measure the air-fuel mixture in an engine

A thread about converting a vehicle's engine to a different type or model.

The sparks that ignite the fuel-air mixture in an internal combustion engine

A system that adjusts the intake manifold to optimize engine performance

A gasket that seals the cylinder head to the engine block

Component that seals the joint between two engine components to prevent oil leakage