| deliver electric current | 0.68 |
| ignite the mixture | 0.46 |
| create spark | 0.44 |
| ignite the fuel | 0.44 |
| ignite the fuel/air mix… | 0.43 |
| fork footrest | 0.37 |
| play vital role | 0.36 |
| take high voltage elect… | 0.35 |
| drive the piston | 0.34 |
| provide the spark | 0.34 |
| More » |
| ignition problems | 0.59 |
| gap | 0.35 |
| metal threaded shell | 0.27 |
| device | 0.42 |
| crucial and vulnerable … | 0.29 |
| critical engine compone… | 0.25 |
| the part | 0.25 |
| a center electrode | 0.47 |
| the electrode material | 0.31 |
| iridium | 0.27 |
| platinum | 0.25 |
| better materials | 0.16 |