| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| rcj4 cross reference | 1.26 | 0.1 | 9868 | 10 |
| rcj4 | 1.61 | 0.4 | 6596 | 60 |
| rcj4 spark plug | 0.77 | 0.6 | 2159 | 78 |
| rcj4 to ngk | 0.55 | 0.2 | 6238 | 62 |
| rcj4144 | 1.84 | 0.8 | 7947 | 41 |
| rcj41-d20 | 0.43 | 0.3 | 4814 | 29 |
| rcj45 | 1.26 | 1 | 3143 | 85 |
| rcj40n | 1.07 | 0.1 | 3022 | 94 |
| rcj4141 | 1.38 | 0.6 | 5240 | 96 |
| rcj4 plug | 1.44 | 1 | 8652 | 35 |
| rcj4 cross reference ngk | 1.17 | 0.5 | 314 | 3 |
| rcj4 champion spark plug | 0.57 | 0.3 | 9776 | 61 |
| rcj4 spark plug gap | 0.46 | 0.4 | 6981 | 10 |
| rcj4 spark plug alternative | 0.14 | 0.1 | 7326 | 68 |
| rcj4 spark plug cross reference | 0.25 | 0.2 | 4274 | 74 |
| champion rcj4 cross reference | 1.84 | 0.6 | 2427 | 73 |
| champion spark plug rcj4 cross reference | 0.31 | 0.4 | 9209 | 1 |
| champion rcj4 cross reference to ngk | 1.49 | 0.5 | 4616 | 49 |
