LS Exhaust Manifold Gaskets | (GM LS1, LS2, LS3, LS6) — Manufacturer part number: 25-1001.

(In Stock)

LS Exhaust Manifold Gaskets & Bolts (GM LS1, LS2, LS3, LS6)

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

Applications:

• LS1, LS2, LS3, LS6, LS7, LS9 LSX Engines
  
• 1999-2002 Camaro & Firebird
• 2010-2013 Camaro
• 1999-2013 Corvette
• 2004-2006 Pontiac GTO
• 2004-2015 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, 6.2L)

Fitment and ordering

Confirm the vehicle, engine, dimensions and application restrictions listed above before ordering. Speed Engineering parts are designed to work with Speed Engineering components; mixing brands may require modifications.

Available upgrades and related Speed Engineering parts

These are separate purchases. Check quantities and the kit’s included parts before adding an upgrade. Each linked product shows your current store price and its own fitment.

• Standard Zinc Bolts - LS

Manufacturer specifications and availability checked October 4, 2026. Availability refers to the manufacturer and can change; it does not indicate stock held at Speedzone.

Returns: All Speed Engineering product sales are final. No returns are accepted on Speed Engineering products. Please verify fitment before ordering. See our Return Policy for additional terms. This does not limit any consumer rights that cannot be waived under applicable law.