Continental O-520 & IO-550 Exhaust Stud Nut Kit

Continental O-520 & IO-550 Exhaust Stud Nut Kit

Replace worn or corroded exhaust hardware with this Exhaust Stud Nut Kit for select Continental O-520 and IO-550 Series aircraft engines. This kit includes four precision-machined brass exhaust stud nuts, designed to securely fasten the exhaust manifold while resisting corrosion and high-temperature seizure.

Brass construction provides excellent heat resistance and helps prevent galling, making these nuts ideal for exhaust system maintenance, repairs, and engine overhauls.

Kit Includes

• (4) Brass Exhaust Stud Nuts

Features

• Fits select Continental O-520 and IO-550 Series aircraft engines
• Reference: Drawing #41
• Precision-machined brass construction
• Corrosion-resistant for extended service life
• Resists galling and seizing in high-temperature exhaust applications
• Provides secure exhaust manifold fastening
• OEM-style fit for quick and easy installation
• Ideal for exhaust system repairs, maintenance, and engine overhauls

Engine Compatibility

O-520 Series

• A, B, BA, BB, C, CB, D, E, F, J, K, M, MB

IO-550 Series

• A, B, C, D, E, F, G, L, N, P, R

Note: Compatible with many additional dash-number variants within the engine families listed above. Please verify your complete engine model before ordering to ensure proper compatibility.

This Continental O-520 & IO-550 Exhaust Stud Nut Kit provides the durable, high-temperature hardware needed to securely mount your exhaust system and maintain reliable engine performance.