JBtuned Honda Block Port Fittings - Honda B-Series

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JBtuned Honda B-Series - Block Port Fittings

Honda B-Series Block Port Fittings screw into the back of the Honda b-series block allowing you to hook up a catch can or breather system. These fitting are desinged to screw into the block after the stock 28mm plugs on the back of the block have been removed. These are the same fittings that are offered in our Breather kits and Back to Block catch can kits designed for the Honda B-Series Engines.

Note: The early b18a blocks 1990-1992 only have 1 block port fitting location. Please check your block before ordering.


We also offer another solution for hooking up a catch can or breather for your B-series Motor that does not require the removal of the stock 28mm plug which can be tough if the motor is still in the car. Honda B-Series -10AN Block Plug Adapter

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