Orifice Tubes
| OT1 White | GM 3033879/ 303919 Audi 443-271-191A Delco 15-5151 Everco A8292 Four Seasons 38623 Murray 207311 Fiat 82479336 |
| OT5 Blue | Ford E0VY-19D990-A, E1FZ-19D990-A Motorcraft YG345 Everco A8294 Four Seasons 38621 Murray 207316 |
| OT15 Green | Ford FS2H-19D990-AA, F52Z-19D990-AB Motorcraft YG319 Everco A77320 Four Seasons 38643 |
| OT20 Black | GM 3096068 Delco 15-5378 Everco A9907 Four Seasons 38638 |
| OT25 Orange | Ford E8TZ-19D990-A, E8UZ-19D1990-A Motorcraft YG343 Everco A9902 Four Seasons 38639 |
|
|
