Exhaust Nuts/Studs

FAA-PMA approved for Continental and Lycoming engines

These are the good ones!

Save money and get an enhanced product with McFarlane stainless steel Exhaust Nuts and Studs! A heat-treated, high-strength stainless alloy improvement, these studs are nitrocarburized Black Max™ coated for additional corrosion protection and resistance to galling. The studs are tap-end studs that come in various oversized options for use on Continental and Lycoming engines.

The stainless-steel stud and nut set are rust proof, high-strength, reusable fasteners for use on Continental and Lycoming engines. The studs are tap-end studs that come in various oversized options. The self-locking nuts provide a vibration resistant fastening action that will stay tight between inspections.

Lasts much longer! Save $$$ and labor!
Less stress on the exhaust flanges and gaskets as the engine heats up and cools down
Studs are nitrocarburized Black Max™ coating to resist galling and corrosion
Black Max™ prevents galvanic corrosion between stainless and aluminum cylinder