Athena-sce Head Gasket - 6 Bolt LSX - W/ Vulcan Cut-ring - 4.150" - 0.059" - Right

ATHENA-SCE HEAD GASKET - 6 BOLT LSX - W/ VULCAN CUT-RING - 4.150" - 0.059" - RIGHT - CR191559R
This Is the ultimate seal for your LS engine! Available in 3.997", 4.056", 4.150", and 4.174" bore sizes. These gaskets use a stainless o-ring that cuts into the head to provide the strongest seal available for high boost or high compression engines. Because the o-ring cuts into the aluminum head, when you pull the head off you will have to surface .0003"- .0005" before reinstalling the head..