The SpeedFactory Billet B-Series Breather Port Plug was designed specifically for use on Honda/Acura B-Series engines to block off the OEM "black box" breather port.
This allows you to utilize the (2) M28 threaded holes on the back of the engine block for your aftermarket oil catch can/breather system, resulting in the proper crankcase ventilation your high performance engine needs.
Installation Notes: We recommend thoroughly cleaning the port in the block and the plug with brake parts cleaner prior to installation, and then liberally coating it with HondaBond or Permatex Ultra Grey and allowing it to cure for 24hrs before use. This will act both as lubricant to facilitate installation and then will setup and bond the plug into the block so that it does not blow out in the case of abnormally high crankcase pressures such as during the event of a piston failure.
Processing and preparation for shipping typically takes 3-4 business days before your order is shipped. In some cases this lead time may be shorter and sometimes longer. In the case where it may take longer then expected you will be contacted Via email by our support team. If you order an item that's on backorder, we will reach out with an estimated arrival time as soon as one is provided. We do not control the time in transit but however select the best shipping carrier for your order.
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