Bolt In -10 an Breather Cast Orfabricated Covers Blue RB30 This still considered larger for

This still considered larger for high RPM engines

RWF-204-04BK

Part Number: AF743-04BLK

AF72-9103BLK

These inlet barbs allow you to use push on hose with your Holley carburettor

Bolt In -10 an Breather Cast Orfabricated Covers Blue RB30 This still considered larger forPart Number: AF777 10 bolt in valve cover breather adaptors are the perfect setup for your catch can breather system on your engine without welding anything to your valve covers. Simply either use your current breather hole and drill it out to the correct size or start a new hole for this bulkhead fitting to screw on. This will allow the adapter to poke through your valve cover with a male an fitting and is held in place with the included bulkhead