997 Needle bearing 3-4 bearing small (13mm)
This Porsche 997 CUP Needle bearing is used for the Inner race 3rd and 4th gear (small). The Porsche reference number is 997.302.256.00.
If small gears (30mm) are mounted, there is a 17mm needle bearing and a 13mm needle bearing used. When wide gears (36.5mm) are mounted, there are two 17mm needle bearings per gear used. Check drawing ‘KMP Porsche 997 Wide gear conversion overview’ for more information.
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