2.7L 12v - M20B27
Manufacturers
2.7L 12v - M20B27
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Wiseco AP Forged Pistons for M20 2.7L Stroker: Bore 84-85mm, RV 8.5 or 10:1, Pin 22mm, CH 31.2mm, Dome ⌀11.1/?1.6cc, Rings Included.
Specifications of the forged pistons offered by NSB Concept for BMW 2.7 L 12 V M20B25 (crankshaft M20B27) :
| Reference | OEM Bore 84,00 mm | OEM CR 8,8 :1 | OEM Pin 22 mm | Height OEM Pin 34,0 mm | Range | Coating | Aluminium | Forging | Dome | Weight | Rings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| WKE320M84AP | 84 | 10:1 | 22 | 31.20 | Wiseco AP | Skirt | NC | NC | -1.6 | NC | 8400XX |
| WKE318M84AP | 84 | 8.5:1 | 22 | 31.20 | Wiseco AP | Skirt | NC | NC | -11.1 | NC | 8400XX |
| WKE320M8425AP | 84.25 | 10:1 | 22 | 31.20 | Wiseco AP | Skirt | NC | NC | -1.6 | NC | 8425XX |
| WKE318M8425AP | 84.25 | 8.5:1 | 22 | 31.20 | Wiseco AP | Skirt | NC | NC | -11.1 | NC | 8425XX |
| WKE320M845AP | 84.5 | 10:1 | 22 | 31.20 | Wiseco AP | Skirt | NC | NC | -1.6 | NC | 8450XX |
| WKE318M845AP | 84.5 | 8.5:1 | 22 | 31.20 | Wiseco AP | Skirt | NC | NC | -11.1 | NC | 8450XX |
| WKE320M85AP | 85 | 10:1 | 22 | 31.20 | Wiseco AP | Skirt | NC | NC | -1.6 | NC | 8500XX |
| WKE318M85AP | 85 | 8.5:1 | 22 | 31.20 | Wiseco AP | Skirt | NC | NC | -11.1 | NC | 8500XX |
Compatibility engines :
M20B25 stroked 2.7 L (crankshaft M20B27) – 2.7 L 12 V BMW
| Brand | Model | Base engine | Power (after stroker) | Years |
|---|---|---|---|---|
| BMW | 3 Series E30 325i (conversion) | M20B25 → 2.7 L | ≈ 200 hp* | 1986 – 1993 |
| BMW | 5 Series E28/E34 525i (conversion) | M20B25 → 2.7 L | ≈ 200 hp* | 1985 – 1990 |
*Power indicative ; varie depending on AAC, cartographie, CR, andc.
