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.
See all of our Exhaust Nuts and Studs here
OEM Part Number | McFarlane Part Number | Comment |
31C-13 | MC31C-13 | |
67528 | MC31C-13 |
Make | Series | Model | Beginning S/N | Ending S/N | Quantity Per Aircraft | Location | Eligibility Chart |
Lycoming | 360 | HIO-360-E1AD | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 360 | HIO-360-E1BD | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 360 | HIO-360-F1AD | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 360 | IO-360-A1B6 | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 360 | IO-360-A3B6D | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 360 | IO-360-C1F | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 390 | AEIO-390-A1A6 | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | |
Lycoming | 390 | AEIO-390-A1B6 | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | |
Lycoming | 390 | AEIO-390-A3A6 | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | |
Lycoming | 390 | AEIO-390-A3B6 | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | |
Lycoming | 390 | HIO-390-A1A | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 390 | IO-390-A1A6 | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 390 | IO-390-A1B6 | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 390 | IO-390-A3A6 | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 390 | IO-390-A3B6 | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 390 | IO-390-B1A6 | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 390 | IO-390-B1B6 | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 390 | IO-390-C1A6 | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 390 | IO-390-C1B6 | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 390 | IO-390-C3A6 | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 390 | IO-390-C3B6 | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 390 | IO-390-D1A6 | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 390 | IO-390-D1B6 | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 390 | IO-390-D3A6 | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 390 | IO-390-D3B6 | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
Lycoming | 540 | IO-540-G1D5 | 0 | ZZZZZZZZZZZZZZZ | 12 | ENGINE | |
Lycoming | 540 | IO-540-K1E5 | 0 | ZZZZZZZZZZZZZZZ | 12 | ENGINE | |
Lycoming | 540 | IO-540-S1A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | ENGINE | |
Lycoming | 540 | LTIO-540-U2A | 0 | ZZZZZZZZZZZZZZZ | 12 | ENGINE | |
Lycoming | 540 | TIO-540-AE2A | 0 | ZZZZZZZZZZZZZZZ | 12 | ENGINE | |
Lycoming | 540 | TIO-540-AH1A | 0 | ZZZZZZZZZZZZZZZ | 12 | ENGINE | |
Lycoming | 540 | TIO-540-U2A | 0 | ZZZZZZZZZZZZZZZ | 12 | ENGINE | |
Lycoming | 580 | AEIO-580-B1A | 0 | ZZZZZZZZZZZZZZZ | 12 | ENGINE | |
Lycoming | 580 | IO-580-B1A | 0 | ZZZZZZZZZZZZZZZ | 12 | ENGINE | |
Lycoming | 720 | IO-720-A1B | 0 | ZZZZZZZZZZZZZZZ | 16 | ENGINE | |
Lycoming | 720 | IO-720-D1B | 0 | ZZZZZZZZZZZZZZZ | 16 | ENGINE | |
Lycoming | 720 | IO-720-D1C | 0 | ZZZZZZZZZZZZZZZ | 16 | ENGINE |
McFarlane Aviation, Inc. PMA Supplement 164 |
Engine Studs & Nuts |