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2.7L 12v - M20B27
Manufacturers
2.7L 12v - M20B27
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.
Reinforced Athena (O-Ring) and Cometic (MLS) head gaskets. Sold individually, one gasket per engine.Brands: Athena, CometicEngines: M20B25, M20B27Bore: 85 to 86.5 mmThicknesses: 0.69 to 3.56 mmReplaces: 11 12 1 722 734
Bearings Crankshaft single trimetal lug ACL Race BMW M20B20 M20B23 M20B25 M20B27:BMW 320i E21BMW 323i E21BMW 325 E30
Tri-metal main bearings ACL RACE / KING RACING for BMW M20B25, M50B20/B25, M52B25/B28, M54B25/B30, S50B30/B32, S54B32:BMW 325i E30 1983-1993 BMW 320i 323i 325i M3 E36 1991-2000 BMW 323i 325i 330i M3 E46 1998-2006 BMW 520i 525i E34 1988-1996 BMW 523i 525i 530i E39 1996-2004 BMW 525i 530i E60 2001-2010 BMW Z3 Z4 2.0 3.0 Z3M Z4M E36 E85 1999-2008
Set of 12 trimetal connecting rod half-bearings for BMW inline-six M20, M50, M52 and M54.Brands and treatments: ACL Race and King Racing (optional pMaxKote coating) Compatibility: E30, E34, E36, E39, E46, E60, Z3, Z4 Engine codes: M20, M50, M52, M54, S50B30US, S52B32US Available sizes: standard to +0.50 mm, increased-clearance versions (HX / STDX)
The M20B27 is the 2.7 litre 12-valve version of the BMW M20 straight six, with a longer stroke than the M20B25.
This category covers the rotating assembly of that engine. Tri-metal big end bearings and tri-metal main bearings, available with a single tang or with twin tangs, cover the M20 family sixes.
Alongside them, M20B25 forged pistons intended for a build using an M20B27 crankshaft: this is the combination chosen by builders who want the 2.7 stroke with the 2.5 bore. Check which crankshaft is fitted before ordering.
