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Cometic C15509-040 MLS Cylinder Head Gasket for GM LS1/LS2/LS3/LS6

(Chevrolet Silverado 1500 1999-2013, Silverado 1500 HD 2001-03, 2005-06, Suburban 1500 2000-14, Camaro 1998-2002, 2010-15, Corvette 1997-2013 + 60 more models)

Part of: Cometic MLS Cylinder Head Gasket Bore Honda

Other options in this family: Cometic C4311-040 Cometic C4251-030 Cometic C4232-030 Cometic C4962-028 Cometic C5434-051

Manufacturer

Picture for manufacturer Cometic

Part Number

C15509-040
6 reviews
Sale Price

$100.42

Estimated ship date Monday, November 23

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Product Details

The Cometic C15509-040 is a premium multi-layer steel (MLS) cylinder head gasket engineered specifically for GM LS Gen-III and Gen-IV small block V8 engines, including LS1, LS2, LS3, and LS6 applications. This gasket features a .040" (1.0mm) compressed thickness and a 4.035" bore diameter, making it ideal for stock and performance engine builds.

Key Specifications:

  • Compressed thickness: .040 inch (1.0mm)
  • Bore diameter: 4.035 inches
  • Multi-layer steel (MLS) construction for superior sealing
  • Compatible with GM LS1, LS2, LS3, LS6 Gen-III/IV engines
  • Designed for both stock and high-performance applications

Features and Benefits:

  • MLS construction provides multiple layers of stainless steel with elastomeric coatings for maximum sealing capability
  • Superior resistance to combustion pressure and thermal expansion
  • Eliminates the need for sealants or re-torquing in most applications
  • Precision-manufactured to exact specifications for proper compression and sealing
  • Durable construction withstands extreme temperatures and pressures

Cometic gaskets are trusted by professional engine builders and performance enthusiasts worldwide for their exceptional quality and reliability. This head gasket is an essential component for any LS engine rebuild or performance upgrade, ensuring a leak-free seal between the cylinder head and engine block.

Products specifications

Fits

Chevrolet Silverado 1500 1999-2013, Silverado 1500 HD 2001-03, 2005-06, Suburban 1500 2000-14, Camaro 1998-2002, 2010-15, Corvette 1997-2013, Silverado 2500 HD 2001-19, Tahoe 2000-14, Impala 2006-09, Colorado 2009-12 + 56 more models

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Easy to order . Love the free shipping

Thanks!

I was satisfied with the service that I received.

Fast service and quick delivery. Very pleased and will be a repeat customer in the future.

great prices and fast service

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