What brand Idler and what size belt to run?

[ShadowFist]

Can anyone tell me what brand idler I have, and what size belt would fit on a 3" KB 2.2 pulley?

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Thanks!

 

[wlg101190]

Looks to be a Steeda idler, and no idea about the belt size.

 

[KILRSVT]

have no idea what size belt agree with ^^