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Valve overall length (Mazdaspeed)

Standard length IN: 4.0044—4.0279 in (101.71—102.31 mm) EX: 4.0044—4.0279 in (101.71—102.31 mm) Minimum length IN: 4.0004 in (101.61 mm) EX: 4.0004 in (101.61 mm)Standard length IN: 101.71—102.31 mm {4.0044—4.0279 in} EX: 101.71—102.31 mm {4.0044—4.0279 in} Minimum length IN: 101.61 mm {4.0004 in} EX: 101.61 mm {4.0004 in}

Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure

Measure each intake and exhaust valve overall length.

Applies to
  • NB 2004–2005 (BP-Z3-TURBO) — 2004 factory turbo-engine evidence; 2005 inferred within MSM family.
  • Verified in: 2004 Mazda Engine Workshop Manual BP (1.8L), normally aspirated and turbo

Sources (1)

View 1 source citations
  • 2004 Mazda Engine Workshop Manual BP (1.8L), normally aspirated and turboTier 1
    Page 01–10–19 (PDF p. 31) · Printed value & notes
    Part no. 9999-95-EWBP-04
    Page 01–10–19 (PDF p. 31)
    Printed: “Standard length IN: 101.71—102.31 mm {4.0044—4.0279 in} EX: 101.71—102.31 mm {4.0044—4.0279 in} Minimum length IN: 101.61 mm {4.0004 in} EX: 101.61 mm {4.0004 in}”

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