# Camshaft lobe height (Mazdaspeed)

Canonical URL: https://miatatorque.com/spec/camshaft-lobe-height-msm/

Applicability: NB 2004–2005 (BP-Z3-TURBO) — 2004 factory turbo-engine evidence; 2005 inferred within MSM family.

Confidence: fsm

Standard height
(mm {in})
BP with TC
IN 44.8 {1.764}
EX 44.9 {1.768}
Minimum height
(mm {in})
BP with TC
IN 44.6 {1.756}
EX 44.7 {1.760}

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": "camshaft-lobe-height-msm",
  "name": "Camshaft lobe height (Mazdaspeed)",
  "aliases": [],
  "applies_to": [
    {
      "gen": "NB",
      "years": [
        2004,
        2005
      ],
      "engines": [
        "BP-Z3-TURBO"
      ],
      "note": "2004 factory turbo-engine evidence; 2005 inferred within MSM family."
    }
  ],
  "kind": "non-torque",
  "value_text": "Standard height\n(mm {in})\nBP with TC\nIN 44.8 {1.764}\nEX 44.9 {1.768}\nMinimum height\n(mm {in})\nBP with TC\nIN 44.6 {1.756}\nEX 44.7 {1.760}",
  "procedure": {
    "notes": "Measure lobes at the specified two points. Turbo intake lobe values differ from the normally aspirated BP column."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "workshop-bp-turbo-2004",
      "page": "01–10–21 (PDF p. 33)",
      "as_printed": "Standard height\n(mm {in})\nBP with TC\nIN 44.8 {1.764}\nEX 44.9 {1.768}\nMinimum height\n(mm {in})\nBP with TC\nIN 44.6 {1.756}\nEX 44.7 {1.760}",
      "verified_years": [
        2004,
        2004
      ],
      "document": {
        "id": "workshop-bp-turbo-2004",
        "tier": 1,
        "title": "2004 Mazda Engine Workshop Manual BP (1.8L), normally aspirated and turbo",
        "part_number": "9999-95-EWBP-04",
        "covers": [
          {
            "gen": "NB",
            "years": [
              2004,
              2004
            ],
            "engines": [
              "BP-Z3-TURBO"
            ],
            "trans": [
              "6MT"
            ]
          }
        ]
      }
    }
  ],
  "jobs": [],
  "system": "engine",
  "component": "inventory-pass-2026-10",
  "componentName": "Service measurements and fasteners",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/camshaft-lobe-height-msm/"
}
```