| Part | Part no. | Part information | |||||
|---|---|---|---|---|---|---|---|
| Electrode | Plug type | Heat rating | NGK part no. | ||||
| Center | External | ||||||
| Racing Spark Plug |
platinum | platinum | BC-E(JIS) | 7 | R7238-7 | 22401-RS238-7 | 1 piece per package without register |
| iridium | platinum | BC-E(JIS) | 8 | R7436-8 | 22401-RS436-8 | 1 piece per package with register |
|
| 9 | R7436-9 | 22401-RS050-09 | |||||
| platinum | Nickel alloy | long reach | 8 | R7345-8 | 22401-RS345-8 | 1 piece per package without register |
|
| iridium | platinum | long reach | 8 | R2558A-8 | 22401-RS080-08 | 1 piece per package with register |
|
| 9 | R2558A-9 | 22401-RS080-09 | |||||
| Shape | Plug type | Material for electrode | Central electrode | Heat rating | NGK part no. | SKU no. | Register | |||
|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | Central electrode | Side electrode | ||||||
| 14 | 19 | 16 | BC-E(JIS) | platinum | platinum | φ0.8 | 7 | R7238-7 | 22401-RS238-7 | without register |
| iridium | platinum | φ0.6 | 8 | R7436-8 | 22402-RS436-8 | with register | ||||
| 9 | R7436-9 | 22401-RS050-09 | ||||||||
| 14 | 26.5 | 16 | LFR long reach | platinum | Nickel | φ0.8 | 8 | R7345-8 | 22401-RS345-8 | without register |
| 12 | 26.5 | 14 | LKAR long reach | iridium | platinum | φ0.55 | 8 | R2558A-8 | 22401-RS080-08 | with register |
| 9 | R2558A-9 | 22401-RS080-09 | ||||||||
