MerCruiser 3.0 Bearings

Chucky5150

Cadet
Joined
Aug 19, 2016
Messages
17
I'm trying to find the main and connection rod bearings. I have been able to find kits that have everything I need plus so much more. I know it's a GM built block so I would think I could find them on Summit Racing or something. I must be using the wrong search terms or something. Any help I can get to point me in the right direction would be greatly appreciated.

Thank you.

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Scott Danforth

Grumpy Vintage Moderator still playing with boats
Staff member
Joined
Jul 23, 2011
Messages
52,155
it is a GM block, however it is a GM Industrial block. however the main bearings are the same as the 2.5. you will need to do some cross-referencing and digging thru the Clevite catalog as Summit would not have a listing for the 3.0 Marine/Industrial motor since it was never ever ever in a car.
 
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