Looking to build a 383 / 496 stroker with an F2 Procharger.....I am having trouble finding 4.280 pistons in an 8.5-9:1 compression range.

Now with a blower, my understanding is the top ring land needs to be further down the bore...which when combined with a stroker crank can be an issue....So we need to know can we do this with the 496 combo, or do we have to move down to the 470 combo....

'70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk