JDM B16A Pistons (P30). Yields 11:1 Compression.
Integra Type-R pistons do the same, but they aren't a direct swap (you have to mill the small end of the rods 1mm each side to make them fit).
You can have some fun experimenting here if you want: Compression Calculator - Honda, Acura Tech Website, tutorials, tuning and HOW-TO's. Drag racing, street racing, road racing - C-speedracing.com
Integra Type-R pistons do the same, but they aren't a direct swap (you have to mill the small end of the rods 1mm each side to make them fit).
You can have some fun experimenting here if you want: Compression Calculator - Honda, Acura Tech Website, tutorials, tuning and HOW-TO's. Drag racing, street racing, road racing - C-speedracing.com