Main bearing standard & nose bearing set. Porsche 911 / 964 / 993 / 996 turbo

Main, thrust & nose bearing Set - STANDARD. 
This 15-piece set (12 main bearing shells + 2 thrust bearings + 1 Nose bearing) supports the crankshaft along the crankcase, maintaining ideal oil-film clearance, pressure, and alignment throughout the engine’s life. Manufactured to OEM geometry, the set guarantees perfect crush fit, consistent wall thickness, and stable lubrication under the high temperatures and loads typical of Porsche’s flat-six engines.

Fits:
Porsche 911 - 1978 to 1989
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1997
Porsche 996 turbo - 2000 to 2005
Porsche 996 GT3

Diagram Ref No 22, 23, 24

Ideal for engine rebuilds, restorations, or preventative maintenance, these bearings restore factory-smooth rotation, stable oil pressure, and long-term bottom-end reliability.

•  Function: Supports crankshaft rotation and controls axial movement
•  Set Contents: 15 pieces (12 main + 2 thrust bearings +1 nose bearing )
•  Replacement Interval: During engine rebuild or low oil pressure service
•  Benefits: OEM fit, precise clearances, stable lubrication, quiet operation

Main bearings gradually wear from heat, oil contamination, and load stress, causing loss of oil pressure, vibration, and potential crank damage.
Replace:
•   During any engine rebuild or crankshaft service
•   If oil pressure drops or metal in oil is found
•  When clearances exceed factory specifications

Replacing with a new 96410190100 set restores correct oil clearance, smooth rotation, and factory reliability.

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96410190100

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