What is the factory spec for the Factory wheel nut spec, Evo VIII/IX (M12x1.5) on a Mitsubishi Lancer Evolution IX (2006)?
Added · Updated
Short answer: Factory specification Reported
Verdict:Factory spec Reported confidence (2 of 3) · 4 sources
Factory specification: M12x1.5 nuts.
Safety-critical part. Manufacturer sources are cited, but they disagree or are incomplete for this fitment, so this entry is held below "Confirmed". Have the work done or checked by a qualified professional and confirm figures and part numbers against the service manual or the manufacturer.
| Part | Factory wheel nut spec, Evo VIII/IX (M12x1.5) |
|---|---|
| Vehicle | Mitsubishi Lancer Evolution IX (2006) |
| Years | 2006 |
| Trim / condition | all |
| Verdict | Factory spec Specification |
| Confidence | Reported 2 of 3 — Stated by one reasonably reputable source (retailer, shop, magazine). Not independently confirmed. |
| Last verified | 2026-10-26 (date the cited sources were last read) |
Details
M12x1.5 nuts. Torque 98 N·m (72-73 ft-lb) per a fitment reference for the IX and owners quoting the service manual (73 ± 7 ft-lb); the Mitsubishi figure read is from the 2003 manual, so this row is tier 2 for 2006. 21 mm hex per owners.
Specs
- thread: M12x1.5
- torque: 98 ± 10 N·m (73 ± 7 ft-lb)
- hex mm owner reported: 21
Other wheels fitment for the CT9A (Evolution IX)
- OEM Evo VIII (2003-05 base/RS/VIII) Enkei 17x8 ET38 wheel — Reported to fit Fits
- OEM Evo VIII MR (2005) BBS forged 17x8 ET38 wheel — Reported to fit Fits
- OEM Evo IX (2006 RS/IX) Enkei 17x8 ET38 wheel — Specification Factory spec
- OEM Evo IX MR (2006) BBS forged 17x8 ET38 wheel — Specification Factory spec
- OEM Evo IX SE (2006) BBS forged 17-inch wheel, Diamond Black — Specification Factory spec
This part on other generations
- Mitsubishi Lancer Evolution VIII (2003-2005) — Specification Factory spec
More for this car
- All Mitsubishi Lancer Evolution IX (2006) fitment answers · CT9A (Evolution IX) common problems
- Newsletter archive: past issues with every new and corrected entry
Sources
- Mitsubishi wheel specs by model — BuildMyWhip (editorial; read 2026-10-26; full page read)Evolution IX CT9A: 5x114.3, 67.1 mm, M12x1.5 nut, 98 N·m.
- Lug nut spec on evo 9 — EvolutionM forum (forum thread; read 2026-10-26; full page read)Owners: 21 mm hex, M12x1.50; 73 ± 7 ft-lb per the service manual.
- Evo 7 8 9 lug nuts and locks — STM Tuned (retailer feed; read 2026-10-26; full page read)Evolution VII-IX: M12x1.5.
- 2003 Lancer Evolution service manual, group 31: wheel and tire — Mitsubishi Motors Corporation (mfr spec; read 2026-10-26; full page read)2003: 98 ± 10 N·m.
Summaries are in our own words. Fitment is not guaranteed — disclaimer.
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