Wanted 3B Main Bolt 13x1.5 (FOR CRANKSHAFT BEARING CAP)

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Joined
Apr 1, 2004
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253
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Location
Boise, Id
Location
United States
13mm x 1.5 Main Bearing Bolt for a 3b, I just need one.

One of mine has hour-glassed and stretched...part is discontinued. It's a weird size, not available at any bolt-supply house. If I can't find one, I'll have to tap it out to 14 mm, thought I'd give it a shot up here first.

Main Bolt.webp


I made an inquiry to JP-Carparts and they said it wasn't available in Japan either.


Thanks,

Dan
 
Package arrived, (thanks) but alas, they're too small. Still looking. I think the ones Greg sent are later. The one I need is 1980-84.

Mine is on the left (note the deformation of the threads) It takes a 22mm socket NOT a 19mm., coarser threads and longer.


13x1.5 Main Bolt.webp



The shop has already assembled the mains and crank, so I really don't want to have to disassemble and drill/tap to a different size.

Dan
 
looks like i have the bolts that you are looking for, gerg is going to grab them from me and send them to you dan. (on a side note i have a brand-new cam for your motor if your interested $150)
 
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