Valve Cover Breather
Clears wing of Thermocharger air cleaner housing
Negative Supercharging valve cover breather is a compact chrome plated steel breather which is needed to clear the wings of the Thermocharger air cleaner housing. The breather fits both tube and push-on type valve covers made from stamped steel and has a nozzle to allow filtered air to be drawn from the Thermocharger air cleaner housing.
Stamped steel valve covers with tube type breathers MUST reduce the height of the breather tube to 3mm (1/8") for the breather and special grommet to fit correctly and clear the wings of the Thermocharger air cleaner housing.
DO NOT use valve covers that are wider than the standard stamped steel valve covers. They will not allow the wings of the Thermocharger to fit over the engine.
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