Outfront Motorsports EJ AN Engine and Valve Cover Breather Fitting Set Baffles Dowel Holes

Dowel Holes

These bearings are specifically engineered to solve premature bearing failure caused by low oil pressure or oil starvation that has plagued the high output Subaru EJ series boxer engines

Individual cylinder detection

and improved power potential

and increased probability of something leaking)

Outfront Motorsports EJ AN Engine and Valve Cover Breather Fitting Set Baffles Dowel HolesThese AN fittings replace the factory press in tube fittings both in the block and in the valve covers. They are machined from stainless and a perfect fit. The set comes complete with caps for installing them. Each set comes with the main breather fitting, all 4 valve cover fittings, and the center case breather fitting. The main case breather is 12 and the others are all 8 AN.