What Head Gaket do I need, 454ci, 330hp, MerCruiser

[old bird]

I have a 1977 Formula, engine is original #14015445,
Heads are newer 1987-1991 #14092360

I'm having a problem figureing what gasket i need.
The gasket that came off has GM14096655 stamped on it.

Some help/suggestions sure will be appreciated.
Larry

 

[picklenjim]

Re: What Head Gaket do I need, 454ci, 330hp, MerCruiser

Hey what's up old bird! What you got is a mark 4 big block. Their the same from 1966-1991. Be best to get a marine gasket. Here's a Fel Pro 17040 marine gasket that will work for ya. You can get them at Nappa auto parts stores.
https://www.napaonline.com/Catalog/...word&Nty=1&Dn=0&D=Fel+pro+17040&Dk=1&Dp=3&N=0

 

[old bird]

Re: What Head Gaket do I need, 454ci, 330hp, MerCruiser

Thanks Jim,
I knew, was hopin, you'd help.