BMW 3.0 N54B30 N55B30 Athena Cooper Ring cylinder head gasket 86x1.5mm 330074R
Part number 330074R Athena Racing Cooper Ring cylinder head gasket 86.00x1.50mm BMW - 3.0 24V Turbo (N54B30, N55B30)
€299.00
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Athena Racing 330 series Cooper Ring cylinder head gasket set. For specific high horsepower applications, engine performance can be significantly improved by using Athena Cooper Ring gaskets, that are supplied with INOX steel ring. This technology outperforms conventional fire ring solutions. Cooper Rings are oversize (also fits for oversize bores). Part number: 330074R Gasket thickness: 1.50mm Bore size: 86.00mm
Part number starting with 330
Athena advantages
Reinforced material
Asbestos free composite raw material OE approved
Stainless steel ring (AISI304)
Separate stainless steel rings assure maximum sealing around cylinder bore also on NOS and/or turbo charged engine where boost is over 2 bars. No head and block machining required
Silicon beading
Silicon-based beading is applied on critical areas to improve sealing around all cooling water and oil passages
Spring data: Seat pressure - 75lbs @ 36.50mm Open (lift) pressure - 155lbs @ 10.00mm Spring coil bind - 23.20mm Max lift - 12mm Rate - 8 lbs./mm Wide end spring outer diameter - 24.40mm Wide end spring inner diameter - 17.60mm Narrow end spring outer diameter - 21.00mm Narrow end spring inner diameter - 14.30mm
COMETIC MLX (Multi-Layer Stopper) gaskets utilize an integrated stopper layer for combustion chamber sealing and improved clamp load around the cylinder without increasing bore distortion. MLX technology can be found in some head gaskets and are made from the same materials as our MLS Head Gaskets. No sealants or re-torque required.
For bearing clearance from [mm]: 0,018 To bearing clearance [mm]: 0,068 For housing diameter from [mm]: 61,000 To housing diameter [mm]: 61,019 Width from [mm]: 23,86 Width to [mm]: 23,96 For wall thickness from [mm]: 2,500 To wall thickness [mm]: 2,506 For shaft diameter from [mm]: 55,951 To shaft diameter [mm]: 55,970
