4 mill stroker domes

[Finch]

Stroker domes for a 4 mill runnin blaster pistons. Set up for race gas. I had about 140ish psi with these at 5000' got them from redline. 40 shipped

[troyzstang]

What actual size Finch?

[Finch]

that i cant tell ya cuz theyre not on the dome he does them but compression ratio do know they were cut race gas at 800 feet tho