You can't... There's not enough steel in the cylinders to bore it that far.
If you want a 454, you need to by a big block 454 Chevy engine.
a 400 small block Chevy has a 4.125" bore.
4.030
A small block Chevy has a 4inch bore. When you bore one 30 what you are doing is removing .30 thousandths from the cylinder. That would make the bore 4.030 or turn a 350cid into a 355cid.
The bore and stroke.
You can get a 454 c.i.d. small block Chevy with a 4.185 in. bore and 4.125 in. stroke on an aftermarket block with a raised cam
A small block. It is the first motor squared, by Chevy, meaning it has a 4 inch bore, and 4 inch stroke.
4.125"
bore and stroke a chevy 400 smallblock.
It is a type of engine for a car.
4, and 1/8th inch.
The legendary 1969 ZL1 427 big block Chevy had a bore/stroke of 4.25" x 3.76" , while the newer LS7 small block has a bore/stroke of 4.125" x 4" , both of which feature aluminum heads and block .
No the head gaskets are dependent on bore size