| Similarity | Rank | |
|---|---|---|
| turbocharger | 0.895 | 69974 |
| supercharger | 0.886 | 66991 |
| radiator | 0.870 | 21060 |
| crankcase | 0.863 | 75529 |
| exhaust | 0.847 | 9598 |
| carburetor | 0.828 | 44543 |
| DOHC | 0.826 | 98578 |
| camshaft | 0.825 | 71030 |
| turbos | 0.825 | 97740 |
| carburetors | 0.816 | 91266 |
| coolant | 0.810 | 28709 |
| pistons | 0.804 | 41509 |
| cylinder | 0.802 | 10647 |
| piston | 0.801 | 23115 |
| turbo | 0.798 | 20051 |
| dampers | 0.791 | 60431 |
| alternator | 0.788 | 40032 |
| gearbox | 0.787 | 25720 |
| air-cooled | 0.787 | 78797 |
| ducting | 0.785 | 82490 |
| driveshaft | 0.784 | 89581 |
| gasket | 0.784 | 30466 |
| solenoid | 0.782 | 46877 |
| injectors | 0.782 | 48025 |
| ducted | 0.779 | 91724 |