Worth it ?? HPI Baja 5B

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2 Bolt OBR 28.5 long block , any way to tell if it has been ported to Pro stock or full mod ?? do they mark the cylinders ?
 
2 Bolt OBR 28.5 long block , any way to tell if it has been ported to Pro stock or full mod ?? do they mark the cylinders ?
They have engravings on the top of the cyl and the bottom of the case. Or if you really wanna be sure, you can have it sent to obr and they will take the head off and verify that it is their work for a few bucks.
 
Yeah but looking at pics the seller has plenty of 1/5 in background...why would one put money into a 2 bolt top end? Everyone knows they typically don't hold together
good point , I think those are his brothers , can a 2 bolt be converted to a 4 bolt ??
 
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