4.000 inches -- same bore size as a Chevy 350, the difference is a 327 uses a 3.250 stroke and the 350 uses a 3.480 stroke.
bore and stroke a chevy 400 smallblock.
BORE is 3.740 and the stroke is 3.480
Bore 4.250" Stroke 4.00"
The bore would be 4.310" and the stroke is 4.00"
4.312 bore x 3.50 stroke.
4.00 bore 3.48 stroke
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 .
4.25X4.56
The Bore of a 350 cid engine is 4.00, the stroke is 3.48 inch..
The bore and stroke is---3.740 bore and 3.480 stroke. STOCK 305
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