Product Description
Cometic LS .051" MLS Cylinder Head Gasket – 4.100" Bore
Fits 1997+ GM LS-Based Engines | Choose Single (1) or Pair (2) of Head Gaskets
The Cometic .051" MLS Cylinder Head Gasket with a 4.100" bore is precision-engineered for GM LS Gen III and Gen IV engines. Designed for superior sealing and endurance, this multi-layer steel gasket withstands extreme cylinder pressures and temperatures found in high-performance and boosted LS builds. The Viton-coated outer layers offer exceptional heat resistance up to 482°F (250°C), providing a long-lasting, leak-free seal between aluminum or cast iron surfaces. Whether for a stock rebuild or a performance upgrade, Cometic’s MLS design ensures strength, consistency, and reliability with no sealant required.
Key Features
- Premium Cometic multi-layer steel (MLS) head gasket designed for Gen III and Gen IV LS engines
- Constructed from three layers of stainless steel for superior strength, rebound, and corrosion resistance
- Viton-coated outer surfaces provide exceptional sealing and heat resistance up to 482°F (250°C)
- Resists compression loss under high cylinder pressures – ideal for naturally aspirated or forced-induction builds
- Non-directional gasket orientation allows straightforward installation on all LS platforms
- Sold individually or as a matched pair for complete cylinder head service
Specifications
- Material: Multi-Layer Steel (MLS)
- Compressed Thickness: .051"
- Bore Size: 4.100"
- Number of Layers: 3
- Coating: Viton (heat-resistant up to 482°F / 250°C)
- Orientation: None – Non-directional design
Key Fitments
- CADILLAC: CTS 2004–2005, Escalade 2002–2014
- CHEVROLET: Avalanche 2002–2013, Camaro 1998–2015, Caprice 2011–2016, Colorado 2009–2012, Corvette 1997–2013, Express 1500/2500/3500 2003–2020, Silverado 1500/2500/3500 2000–2019, SS 2014–2017, SSR 2003–2006, Suburban 1500/2500 2000–2014, Tahoe 2000–2014, Trailblazer 2003–2009
- GMC: Canyon 2009–2012, Envoy 2004–2009, Savana 1500/2500/3500 2003–2020, Sierra 1500/2500/3500 1999–2018, Yukon 2000–2014, Yukon XL 1500/2500 2000–2014
- PONTIAC: Firebird 1998–2002, G8 2008–2009, GTO 2004–2006
Note: Compatible with 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L LS-based engines. Sold individually — choose quantity 2 for a complete set. No sealant required for installation.
