Porsche 996 / 986 Intermediate Shaft Bearing (IMS) Update Kit by LN Engineering (ENG 106 08 4)

Engine Intermediate Shaft Bearing Update Kit 1999-2001 Porsche 996
1997-2001 Porsche 986 Boxster
LN Engineering - Sold As A Kit - 1 Per Car -
* Note: Double Row IMS Bearing Version (Original Cover Dish Depth = 13.34 mm) . Kit Contains: Superior Ceramic Bearing - Custom Shaft Cover Flange With Seal And Bolts - Improved Center Bolt. * Also Use IMS Tool Set #10 0125 001. Enables Bearing Replacement Without Engine Removal. * The Double Row Bearing Update Has A 6 Year Or 75 - 000 Mile Service Interval.
With The Change From The Metzger Engine To The M96 - Cost Cutting Measures Were Made.  911S, Boxsters, And Caymans Fitted With The M96 And M97 Engines Use A Sealed Ball Bearing To Drive The Camshafts Indirectly Off The Crankshaft.  Over Time - This Sealed Bearing Can Lose Grease And Seize - Resulting In Engine Failure. Working With LN Engineering - We Implement A Solution That Will Last The Life Of The Vehicle.  By Replacing This Sealed Ball Bearing With An Oil Feed Plain Bearing - Similar To That Of Air-Cooled Engines - The Chance Of Bearing Failure Is Greatly Reduced.  
IMS Bearing Failure Is Most Common In Vehicles That Don’t See Much Use And Are Not Driven Hard.  Up Until 2000 - A Dual Row Bearing Was Fitted To All Vehicles Which Had A Smaller Risk Of Failure.  Some 2000-2001 Porsches Were Fitted With This Bearing While Others Were Fitted With The Inferior Single Row Bearing That Had A Lower Load Capacity.  These Bearings Were Fitted Up Until 2006 When A Larger Single Row Bearing - With Similar Load Capacity And Failure Rate Of The Earlier Dual Row - Was Implemented.  These Larger Bearings Are Inaccessible And Require Splitting The Case To Replace. With The Introduction Of The 9A1 Engine In 2008 - The Intermediate Shaft Was Completely Removed - Removing The Issue Entirely. 
 

Alternate Part Numbers: ENG 106 08 4 / ENG-106-08-4 / ENG.106.08.4 / ENG106084