SpeedFactory Racing Billet B-Series Breather Port Plug Forced Induction 25Hz is our suggested starting

25Hz is our suggested starting point for control frequency in your EMS

Compatible with any existing B-Series AWD gear set (oem or aftermarket) that uses a factory style layout

B-Series/D-Series (FWD/AWD)

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RECOMMENDED PISTON AND RING CLEARANCES

SpeedFactory Racing Billet B-Series Breather Port Plug Forced Induction 25Hz is our suggested startingThe 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. Precision CNC machined from 6061 T6 billet aluminum Black Anodized