.105" or .090" composite gasket with steel fire rings.  A nice high quality gasket.   Call us for installation tips!
 
Use with overcut U20 cylinder heads to  correct excessive compression and chain slack.  
 
Use the .088" gasket for heads cut .035-.055
Use the .105"  gasket for heads cut in excess of .050
 
Head gaskets are special order and not returnable.
 
.105" are on back order,  you can purchase the .088" and ask us to wait on shipping if you need the thicker gasket.