426 clutch in a Wr400?

The 426 has a bigger clutch with one more plate.

Does anyone know if I can just replace the stock Wr400 clutch with a 426 clutch?

Is it a bolt in?

I presume the gears, and clutch shaft splines and length are the same on both trannys?


I read once that it can be done, BUT you will pretty much need a 426 donor engine. The basket is bigger in diameter etc...

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