If the rings measure the same as DEVES Piston Rings, 82mm Bore, 1.5mm Top, 1.5mm Middle, 4mm Oil, you should not have a problem with fitting them, Most engine parts are generic these days but different motor manufactures have different prices for the same part, We have a Fiat ducato van and needed to replace a faulty sensor on the fuel rail, The price was £467 from Fiat The same part from Ford was £280 Guess which one we fitted
If the parts are good enough for a VW There good enough for a Fiat Plus you should be able to buy them Locally