Predator chassis

I have a predator chassis.i need to find new cassettes they are the split cassettes..bolt up with 3 bolts.just trying to find out info.as well as set up number for super hvy 425 or whoppe 20190529_220017.jpgr 450 on 1/5 miles dirt track.
 
That looks like a standard cassette pattern .
Do you mean split as in one cut or split into two halves .
A top and bottom .
A pic of actual cassette would help .
 
That looks like a standard cassette pattern .
Do you mean split as in one cut or split into two halves .
A top and bottom .
A pic of actual cassette would help .
The bolts a seized in cassette an I need new bearing.but yes the cassette has the 2 Allen head bolts an comes apart in 2 pieces.
 
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