battery relocation; where can I get these parts?

[1990AWD]

Looking for these items:

cut-off switch (100 or 150A)
80A inline fuse
100A circuit breaker
two distribution blocks: first one with a single 1/0 input and two 4g outputs. second has a single 1/0 input and four 4g outputs

I've been searching lots of sites but can't find what I'm looking for. Anyone know where I can get these items?

 

[92AWDHX40]

I saw some of that stuff on some internet sites.

 

[Absit]

You can literally type any of those into google, click shopping, and find dozens of results.
Summit/Jegs has some of that stuff, google car audio and you'll find the rest.

 

[94_TSi]

Ebay is a good place for all of that.

 

[turbosax2]

cut-off switch (100 or 150A):
These are readily available from Summit Racing, Jegs, etc.
cutoff switch - JEGS High Performance

80A inline fuse:
Knukonceptz product detail for IN-LINE WATERPROOF ANL FUSE HOLDER W/ FUSE

100A circuit breaker:
Amazon.com: Stinger SGP90100 100-Amp Circuit Breaker: Electronics

two distribution blocks: first one with a single 1/0 input and two 4g outputs:
2 Way Distribution System

second has a single 1/0 input and four 4g output:
Fuse Block, Fuse Blocks
(You would actually use one of the "input" spots as an "output" if you use this block)

Hope this helps get you pointed in the right direction.