LS Exhaust Manifold Gaskets & Bolts (GM LS1, LS2, LS3, LS6) Multi-Layer Steel Designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque set and resist corrosion. They will not burn through or push out. MLS Exhaust Manifold Gaskets withstand different combinations of cylinder head and exhaust manifold materials. No sealants are required. Features include: Unparalleled Sealing Steel Construction 2 QTY - Exhaust Manifold Gaskets 8.8 Metric Header Bolts Applications: LS1, LS2, LS3, LS6, LS7, LS9 LSX Engines 1999-2002 Camaro & Firebird 2010-2013 Camaro 1999-2013 Corvette 2004-2006 Pontiac GTO 2004-2007 Cadillac CTS-V 2008-2009 Pontiac G8 2000-2013 Tahoe, Yukon, Escalade 2003-2009 H2 Hummer 2001-2013 Chevrolet Avlanche 1999-2013 Silverado & Sierra (4.8L, 5.3L, 6.0L)