Overloaded and trimmed engines produce a lot of overpressure in the crankcase, which needs to be vented. Vapours from crankcase overpressure contain oil mist, which can dirty the engine and lower the octane rating if the mist is led back into the intake. A well-ventilated engine is not as likely to leak oil as a poorly ventilated engine. NOTE Filter for crankcase ventilation, should for environmental reasons, only be installed for car shows and competitions.
Universal filter for crankcase or transmission ventilation. * Rubber neck. * Washable filter. * Provides maximum crankcase ventilation. * Hose clamps for installation included. * Available in two neck diameters: Ø 12 mm and Ø 25 mm.
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