Strange TRD pistons 4a-ge

[Diogo CS]

Mikzu IV Wrote:Hi
I bought these unused 81,15mm oversize, trd (Mahle) pistons for the 4age,
but the seller said that they were for a special setup with longer connecting rods from an other toyta engine or something, he didn't know exactly either.
so if anyone knows better please help me.
The piston rings are also missing

same shit in finnish:
Ostin tuossa käyttämättömät TRD (Mahle) männät 4age koneeseen mutta niihin pitäs kuulema olla vähän pitemmät kiertokanget jotka on kuulema jostain toisesta toyota moottorista, tietäiskö kukaan missä koneessa olis semmoset? ja mitkä männänrenkaat sopii?

Hi,
I´m writting from. I have a rally/race Corolla AE86, ex-works and the car has 4 Mahle pistons but they have some use, so I needed a new set. However, it´s very dificult to get here in Portugal and in TRD Portugal, they denied to me that.
So I´d ask you how and where you get your set and how much could cost that.

Regards,
Diogo CS