What is the factory spec for the Factory wheel studs and lug nuts (M12x1.25, 60-degree cone seat) on a Toyota 86 / Subaru BRZ / Scion FR-S (ZN6/ZC6, 2013-2020)?
Added · Updated
Short answer: Factory specification Reported
Verdict:Factory spec Reported confidence (2 of 3) · 3 sources
Factory specification: Studs are M12x1.25 and the factory nuts use a 60-degree cone (conical) seat, so aftermarket wheels need cone-seat nuts unless the wheel maker says otherwise.
Safety-critical part. This claim comes from community or vendor sources, not the vehicle or part manufacturer, so its confidence is capped at "Reported". Have the work done or checked by a qualified professional and confirm part numbers with the manufacturer.
| Part | Factory wheel studs and lug nuts (M12x1.25, 60-degree cone seat) |
|---|---|
| Vehicle | Toyota 86 / Subaru BRZ / Scion FR-S (ZN6/ZC6, 2013-2020) |
| Years | 2013-2020 |
| 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
Studs are M12x1.25 and the factory nuts use a 60-degree cone (conical) seat, so aftermarket wheels need cone-seat nuts unless the wheel maker says otherwise. Two wheel guides give torque as 89 and 90 ft-lb; use your owner's manual figure.
Specs
- thread: M12x1.25
- seat: 60-degree cone
- torque: about 89-90 ft-lb per two wheel guides; check the owner's manual
Related build entries
Other wheels fitment for the ZN6/ZC6
- OEM 2013-20 86 / BRZ / FR-S wheel (17x7 +48) — Specification Factory spec
- OEM 2017-20 BRZ Performance Package wheel (17x7.5 +48) — Specification Factory spec
- OEM late ZN6 18-inch wheel (18x7.5 +48: BRZ tS, 86 TRD SE / GT) — Specification Factory spec
- Hub-centric rings to 56.1 mm (for aftermarket 5x100 wheels) — Reported to fit Fits
- 17x9 +35 wheels with 245/40R17 tires — Reported to fit Fits
- 18x9.5 +40 wheels with 265-275 width tires — Fits with extra parts or work Fits with mods
More for this car
- All Toyota 86 / Subaru BRZ / Scion FR-S (ZN6/ZC6, 2013-2020) fitment answers · ZN6/ZC6 common problems
- Newsletter archive: past issues with every new and corrected entry
Sources
- Hub thread size and stock lug nuts — FT86CLUB (forum) (forum thread; read 2026-10-26; full page read)One poster first guessed a ball seat and was corrected to 60-degree cone.
- Everything you need to know about BRZ/FR-S/GT86 wheel fitment — ThreePiece.us (wheel retailer blog) (vendor article; read 2026-10-26; full page read)
- Subaru BRZ Wheel Fitment Guide (2013-2020) — rimlist (wheel guide site with affiliate links) (editorial; read 2026-10-26; full page read)
Summaries are in our own words. Fitment is not guaranteed — disclaimer.
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