Part number BMEVN-1031S (+1mm)
Supertech black nitrided stainless steel exhaust valve
BMW 4-6 cylinder engines - 1.8 2.5 2.8 3.0 (S42, M42, M50, S50, M52, S52, M54)
Must be used with single groove keeper KPR-6S-7
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Product detailed specification |
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Model number |
BMEVN-1031S |
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Head diameter |
31.50mm |
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Stem diameter |
5.96mm |
|
Length |
105.65mm |
|
Material |
Black nitrided stainless steel |
|
Fits for |
BMW - 1.8 2.5 2.8 3.0 (S42,M42,M50,S50,M52,S52,M54) |

|
Product detailed specification |
|
|
Model number |
BMEVI-1031S |
|
Head diameter |
31.50mm |
|
Stem diameter |
5.96mm |
|
Length |
105.65mm |
|
Material |
Inconel |
|
Fits for |
BMW - 1.8 2.5 2.8 3.0 (S42,M42,M50,S50,M52,S52,M54) |

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Product detailed specification |
|
|
Model number |
BMEVN-1030 |
|
Head diameter |
30.50mm |
|
Stem diameter |
5.96mm |
|
Length |
105.65mm |
|
Material |
Black nitrided stainless steel |
|
Fits for |
BMW - 1.8 2.5 2.8 3.0 (S42,M42,M50,S50,M52,S52,M54) |

|
Product detailed specification |
|
|
Model number |
BMIVN-1030 |
|
Head diameter |
33.00mm |
|
Stem diameter |
5.97mm |
|
Length |
106.10mm |
|
Material |
Black nitrided stainless steel |
|
Fits for |
BMW - 1.8 2.5 2.8 3.0 (S42,M42,M50,S50,M52,S52,M54) |

|
Product detailed specification |
|
|
Model number |
BMIVN-1031S |
|
Head diameter |
34.00mm |
|
Stem diameter |
5.97mm |
|
Length |
106.10mm |
|
Material |
Black nitrided stainless steel |
|
Fits for |
BMW - 1.8 2.5 2.8 3.0 (S42,M42,M50,S50,M52,S52,M54) |

|
Product detailed specification |
|
|
Model number |
BMEVI-1030S |
|
Head diameter |
30.50mm |
|
Stem diameter |
5.96mm |
|
Length |
105.65mm |
|
Material |
Inconel |
|
Fits for |
BMW - 1.8 2.5 2.8 3.0 (S42,M42,M50,S50,M52,S52,M54) |

Spring data:
Seat pressure - 94lbs @ 35.70mm
Open (lift) pressure - 209lbs @ 10mm
Spring coil bind - 20.70mm
Rate - 11.50lbs/mm
Max lift - 15.00mm
Outer spring outer diameter: 29.65mm
Outer spring inner diameter: 21.85mm
Inner spring outer diameter: 20.50mm
Inner spring inner diameter: 15.50mm
Set includes:
Dual springs: 24 pcs. SPR-H1005D-BM
Titanium retainers: 24 pcs. RET-AU5VE-T1
Seats: 24 pcs. SEAT-BM60

|
Product detailed specification |
|
|
Model number |
BMIVN-1030S |
|
Head diameter |
33.00mm |
|
Stem diameter |
5.97mm |
|
Length |
106.10mm |
|
Material |
Black nitrided stainless steel |
|
Fits for |
BMW - 1.8 2.5 2.8 3.0 (S42,M42,M50,S50,M52,S52,M54) |