# Dynamic chamber stay bolts — dynamic chamber side (NB1)

Canonical URL: https://miatatorque.com/spec/dynamic-chamber-stay-chamber-side-bolts-nb1/

Applicability: NB 1999–2000 (BP-4W) — 2000 applicability inferred from 1999 factory evidence within the owner-approved NB1 year group.

Confidence: fsm

14–18 ft·lb / 19–25 N·m

Always confirm against your factory manual. Match every restriction and follow all stages and procedure notes. Disputed claims must not be automatically resolved. The complete record below preserves every printed unit, source claim and procedure.

```json
{
  "id": "dynamic-chamber-stay-chamber-side-bolts-nb1",
  "name": "Dynamic chamber stay bolts — dynamic chamber side (NB1)",
  "aliases": [],
  "applies_to": [
    {
      "gen": "NB",
      "years": [
        1999,
        2000
      ],
      "engines": [
        "BP-4W"
      ],
      "note": "2000 applicability inferred from 1999 factory evidence within the owner-approved NB1 year group."
    }
  ],
  "kind": "torque",
  "torque": {
    "nm": [
      19,
      25
    ],
    "kgfm": [
      1.9,
      2.6
    ],
    "ftlb": [
      14,
      18
    ]
  },
  "procedure": {
    "notes": "Snug all stay bolts, then tighten the dynamic chamber side pair before the single intake manifold side bolt (01–13–3 / PDF p. 229)."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-1999",
      "page": "01–13–2",
      "as_printed": "19—25 {1.9—2.6, 14—18}\nN·m {kgf·m, ft·lbf}",
      "verified_years": [
        1999,
        1999
      ],
      "torque": {
        "nm": [
          19,
          25
        ],
        "kgfm": [
          1.9,
          2.6
        ],
        "ftlb": [
          14,
          18
        ]
      },
      "document": {
        "id": "fsm-1999",
        "tier": 1,
        "title": "1999 Mazda MX-5 Miata Workshop Manual",
        "covers": [
          {
            "gen": "NB",
            "years": [
              1999,
              2000
            ],
            "engines": [
              "BP-4W"
            ]
          }
        ],
        "url": "https://www.mellens.net/mazda/Mazda-Miata-1999-2001.pdf"
      }
    }
  ],
  "jobs": [],
  "system": "fuel-intake",
  "component": "reaudit-1999",
  "componentName": "Additional factory specifications",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/dynamic-chamber-stay-chamber-side-bolts-nb1/"
}
```