Alpine MRV-M500 terminal blocks

Does anyone know where to get replacement terminal blocks for these? do they cross-over to other amp designs that could potentially have some available?

Someone munched the crap out of these, screws that remain wont come out. Too chewed up, someone tried to drill a hole on the power lug screw.

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Yeah not easy to find, being an OEM part you'd need to find who they got them from weather Alpine gets them made to order or off the shelf who knows? They are called a barrier strip terminal.
The only other thing I can think off is if you grab some of those 4ga to 8ga convertor lugs and find a way to lock them in place.
 
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