I built a low deck (9.980) KB aluminum block at 540 CID.
4.500" bore
4.250" stroke
6.535" long rods
1.32 " piston compression height

I am sure a 4.50" stroke could be put in that block.


1993 Daytona, 5.50 at 130mph (1/8) 1.19 sixty ft (PG). Link to 572 B1 - Part 1