Outfront Motorsports EJ AN Engine and Valve Cover Breather Fitting Set Internals head castings may need to

head castings may need to be filled down slightly for clearance

pilot bushing and throw-out bearing

King engine bearings have the closest wall tolerances in the industry

King offers the industry’s widest selection of sizes

almost identical to the clutch that came in your vehicle in every way

Outfront Motorsports EJ AN Engine and Valve Cover Breather Fitting Set Internals head castings may need toThese 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.