| SL38D-54 P007 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-03-02 |
| SL38D-54 P012 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-03-02 |
| SL38D-55 P003 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-03-02 |
| SL38D-55 P007 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-03-02 |
| SL38D-55 P012 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-03-02 |
| SL38D-56 P003 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-03-02 |
| SL38D-56 P007 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-03-02 |
| SL38D-56 P012 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-03-02 |
| SL38D-57 P003 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-03-02 |
| SL38D-57 P007 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-03-02 |
| SL38D-57 P012 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-03-02 |
| SL38D-58 P003 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-03-02 |
| SL38D-58 P007 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-03-02 |
| SL38D-58 P012 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-03-02 |
| SL38D-59 P003 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-02-25 |
| SL38D-59 P007 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-02-25 |
| SL38D-59 P012 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-02-25 |
| SL38D-60 P003 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-02-25 |
| SL38D-60 P007 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-02-25 |
| SL38D-60 P012 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-02-25 |
| SL38D-61 P003 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-02-25 |
| SL38D-61 P007 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-02-25 |
| SL38D-61 P012 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-02-25 |
| SL38D-62 P003 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-02-25 |
| SL38D-62 P007 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-02-25 |
| SL38D-62 P012 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-02-25 |
| SL38D-63 P003 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-02-25 |
| SL38D-63 P007 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-02-25 |
| SL38D-63 P012 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-02-25 |
| SL38D-64 P003 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-02-25 |
| SL38D-64 P007 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-02-25 |
| SL38D-64 P012 | Stud 3/8 Dia. Fine Thread | Superior Air Parts Inc | Current | 2021-02-25 |
| SL4 | Engine Preheat Kit | Hartzell Propeller Inc | Current | 2025-08-03 |
| SL44-1-P03 | Stud, 7/16 Dia. Fine Thread | Superior Air Parts Inc | Current | 2011-04-13 |
| SL44-13 | Stud, 7/16 Dia. Fine Thread | Superior Air Parts Inc | Current | 2011-04-13 |
| SL44-13-P03 | Stud, 7/16 Dia. Fine Thread | Superior Air Parts Inc | Current | 2011-04-13 |
| SL44-13-P07 | Stud, 7/16 Dia. Fine Thread | Superior Air Parts Inc | Current | 2011-04-13 |
| SL44-13-P12 | Stud, 7/16 Dia. Fine Thread | Superior Air Parts Inc | Current | 2011-04-13 |
| SL44-14 | Stud, 7/16 Dia. Fine Thread | Superior Air Parts Inc | Current | 2011-04-13 |
| SL44-14-P03 | Stud, 7/16 Dia. Fine Thread | Superior Air Parts Inc | Current | 2011-04-13 |
| SL44-14-P07 | Stud, 7/16 Dia. Fine Thread | Superior Air Parts Inc | Current | 2011-04-13 |
| SL44-14-P12 | Stud, 7/16 Dia. Fine Thread | Superior Air Parts Inc | Current | 2011-04-13 |
| SL44-15 | Stud, 7/16 Dia. Fine Thread | Superior Air Parts Inc | Current | 2011-04-13 |
| SL44-15-P03 | Stud, 7/16 Dia. Fine Thread | Superior Air Parts Inc | Current | 2011-04-13 |
| SL44-15-P07 | Stud, 7/16 Dia. Fine Thread | Superior Air Parts Inc | Current | 2011-04-13 |
| SL44-15-P12 | Stud, 7/16 Dia. Fine Thread | Superior Air Parts Inc | Current | 2011-04-13 |
| SL44-16 | Stud, 7/16 Dia. Fine Thread | Superior Air Parts Inc | Current | 2011-04-13 |
| SL44-16-P03 | Stud, 7/16 Dia. Fine Thread | Superior Air Parts Inc | Current | 2011-04-13 |
| SL44-16-P07 | Stud, 7/16 Dia. Fine Thread | Superior Air Parts Inc | Current | 2011-04-13 |
| SL44-16-P12 | Stud, 7/16 Dia. Fine Thread | Superior Air Parts Inc | Current | 2011-04-13 |