Valve One Way Z20LEx C20LET

In Stock Valve One Way Z20LEx C20LET
Valve One Way Z20LEx C20LET

1 x One Way Valve

OE One Way (Non Return) Crankcase Breather Valve used on Z20LET and C20LET engines.

Fitted inline in the breather hose from the cylinder head / cam cover to the inlet manifold to prevent the cylinder head cover from becoming pressurised when the engine is on boost.

Failure can lead to a small loss of boost pressure as the pressure is forced into the cylinder head cover causing a slight drop off in power and the cylinder head cover becoming pressurised when the engine is on boost can cause premature gasket failure and oil leaks.

Ensure arrow points in the correct direction to wards the inlet manifold (away from the cylinder head cover) to prevent boost pressure entering the cylinder head cover, but still allowing the cylinder head cover to breathe into the inlet manifold on overrun.

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