The HKS Super Fire Racing M45XL is an XL-type iridium spark plug with an NGK 9 equivalent heat range, developed for the Mitsubishi Lancer Evolution X (4B11T) and similar M12 short-reach applications. The colder heat range suits the high boost of a tuned 4B11, and the 0.6 mm iridium center electrode with platinum-chip outer electrode delivers strong ignition and durability, with thermal-edge anti-fouling. Sold as a 10-pack (wholesale case); a typical engine needs one plug per cylinder.
Specifications
| Brand | HKS |
| Product Line | Super Fire Racing M-Series |
| Heat Range | NGK 9 equivalent |
| Seat / Type | XL type |
| Thread | φ12 x 26.5 mm |
| Hex (Wrench) | 16 mm |
| Center Electrode | 0.6 mm iridium |
| Application | Mitsubishi Lancer Evolution X (4B11T) |
| Quantity | 10 plugs (case) |
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