They make universal heat shield wraps, that wrap around, and are held on with velcro, springs, and other ways. IMO, worth taking a look at. Just be aware, many of the flexible styles use a ceramic woven type of insulation, that gets fragile after it gets real hot, not an issue, except that down the road, they may not be able to be taken off, and used again on a replacement starter.
There is also many aftermarket metal ones mostly for chebbys, But I think some will fit most any mini starter. Some held on by spring clips, some by large hose clamps.
Just go crazy with Google, you might even see a style that you could make your self.
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