Big Boys Heads

[1931 flamingo]

Those look kile KOGEL hi-comp heads, available in two diff comp ratios, cast iron finned with 25% increase in water capacity. Not many made. I've a pair on my 40.
Paul in CT

[Tim Ayers]

Originally Posted by 1931 flamingo

Those look kile KOGEL hi-comp heads, available in two diff comp ratios, cast iron finned with 25% increase in water capacity. Not many made. I've a pair on my 40.
Paul in CT

Yes, these are rare. I seem to recall an issue with them cracking, so I'd get them checked out before throwing them on a motor. It would be cheap insurance.