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(996, 997, BOXSTER, CAYMAN)

Prevent future catastrophic engine failure permanently with the only true Eternal Fix for the notorious Porsche intermediate shaft bearing. Unlike the other failure-prone ball bearing products that the original IMS and other upgrades on the market use, EPS uses a patented cylindrical bearing with thrust control that can be pressed directly into the back of the engine without disassembly. The cylindrical bearings have over 12 times the load capacity of other ball bearing solutions making the EPS IMS bearing the clear choice.  Backed by a full 2-year warranty and includes an oil feed modification kit. Order yours today!  

EPS recommends using this product in conjunction to the Rear Main #8 Seal and Housing


1997-2004 (M96 ENGINE)

Part No: 99610590102EPS
Price: $579.00

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Features and Advantages:

  • prevent future catastrophic engine failure
  • permanently repair your expensive intermediate shaft
  • uses cylindrical thrust control bearing that holds 12 times the load capacity of ball bearings
  • repair without dissembling the engine
  • includes a modification for forced engine oil feed
  • contact engine oil pressure at bearing
  • patented system - U.S. Patent 9004766B1
  • 2 Year Warranty



2005-2008 (M97 - CLOSED ENGINE)

Part No: 987997IMS62MM                                                                       Price: $739.00

* Requires IMS Bearing Toolkit

2005-2008 (M97 - OPEN ENGINE)

Part No: 987997IMS58MM
Price: $739.00

Model Year:
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IMS Bearing Upgrade Kit Step by Step Instructions

Click to view the IMS Bearing Upgrade Kit Instructions

EPS recommends professional installation for the Eternal IMS Fix. Please take all precautionary safety measures. We also recommend putting the engine in TDC and locking the crankshaft and camshafts in place to assure there is no chance of jumping timing while working on the intermediate shaft and its bearing.

*Please read through the complete instructions to familiarize yourself with the process, before you attempt to do it for the first time.


Does the IMS Bearing Kit Come with the Pressurized Oil Feed Kit?

Yes, it does.

Is the Pressurized Oil Feed Kit necessary?

No. The bearing is completely submerged in oil thus not requiring the Pressurized Oil Feed Kit. However, due to some misleading information of the internet, some installers feel that it's important to implement this modification. 

What's the estimated labor time to install?

12 hours for manual transmission and 14 hours for Tiptronic transmissions.