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Stainless Steel Exhaust Studs For Lycoming Engines

$16.12/Each
Price Includes GST
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Part# 08-06780
MFR Model# 92-001

Overview

These high quality exhaust studs are produced from corrosion resistant 321 stainless steel in 5/16 x 18 standard thread size (oversize available soon) and are a direct replacement for the Lycoming part number 31C12 stud.

These studs stop stud corrosion and rust out problems, stop expensive cylinder repair costs cause by broken studs, allow easy removal of exhaust systems for gasket replacement or inspection, and feature a safety wire hole to insure security of the exhaust stack on each cylinder. FAA approved for all Lycoming engines from 0-235 thru 0-540.
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Reviews

The safety wire hole hopefully will save me from doing this again.

Bill W Verified Purchase

Stainless Steel Exhaust Studs For Lycoming

May 22, 2024

I’m never disappointed when I order from spruce my orders always right and always on time

Bob W Verified Purchase

Stainless Steel Exhaust Studs For Lycoming

May 21, 2024

Work great I use to change studs anytime I removed stacks. But with these guys you can almost reuse. Only issue is that they are kinda on the short side. Not gonna be able to use the hole for safety wire as the stud just clears the end of nut

Mike
December 12, 2019

Replaced rusted studs on my back cylinders exhaust on 0-320, did the job, looking forward to not having rusted studs on next exhaust gasket replacement.

Steven S
August 25, 2019

Excellent Quality

Donald E
February 10, 2018

Q&A

Please note, Aircraft Spruce Australia's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Australia assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Are the threads the same on both ends? I need 5/16-18 and 5/16-24 for a Franklin engine. Thanks.

The 08-06780 has 5/16"-18 threads on both sides. Our part number 08-07282 has 5/16"-18 x 5/16"-24 threads.

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