BTR LS3 MLS HEAD GASKET - SOLD INDIVIDUALLY - BTR-10046 1999-2013 LS-Based 6.0L 6.2L Engines LS3 L99 L76 L77 L92 L96 L9H L94 Includes 1 BTR-10046 Gasket 5-Layer MLS (Multi-layer Steel) Gasket 4.100" bore, .051" compressed thickness Great upgrade for 6.0L LS2 LQ4 LQ9 engines' 3 layer OEM gasket BTR has sourced our very own MLS head gasket that can be used on LS3 engines. This is a DIRECT REPLACEMENT for the LS3 GM head gaskets. This gasket has everything you know and love from the GM version: High quality, MLS construction, and the same source produces it as the OEM units!