Where I can find Finisher's paints for Mclaren red ?

Tools, Techniques, and Reference Materials Painting and airbrushing
1

That’s the only place I found them:
http://hobbyworld.aoshima-bk.co.jp/scripts/hw/seeke.aspx?seek_code=FSH0034

do you know some other place to buy them ?

thanks [:)] Nik