Save money and get an enhanced product with McFarlane Stainless Steel Exhaust Nuts and Studs! A heat-treated, high-strength stainless alloy improvement, these nuts and studs are nitrocarburized Black Max™ coated for additional corrosion protection and resistance to galling. Reduce the temperature flux stress on your exhaust flanges and gaskets with these FAA-PMA approved nuts and studs for 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.

Exhaust Studs

• 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

Exhaust Nuts

• Heat-treated, high-strength stainless alloy
• Steel nuts are cad plated - better on galvanized and stainless studs
• Won't rust and are reusable

These are the good ones!

More Exhaust System Components available.