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Cometic PRO3011T GM Duramax LMM/LLY Top End Gasket Kit 4.130 Bore .047 MLS

(Chevrolet Silverado 2500 HD 2007-10, Silverado 3500 HD 2007-10, Express 3500 2007-10, Express 2500 2007-10; GMC Sierra 2500 HD 2007-10 + 3 more models)

Manufacturer

Picture for manufacturer Cometic

Part Number

PRO3011T
7 reviews
Sale Price

$563.63

Estimated ship date Tuesday, November 24

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Product Details

The Cometic PRO3011T is a complete top end gasket kit engineered specifically for GM Duramax LMM and LLY diesel engines. This professional-grade kit features Multi-Layer Steel (MLS) cylinder head gaskets with a 4.130-inch bore and .047-inch thickness, designed to deliver superior sealing performance under high-compression and high-boost conditions.

Key Specifications:

  • Bore Size: 4.130 inches
  • Head Gasket Thickness: .047 inches (47 mil)
  • Head Gasket Construction: Multi-Layer Steel (MLS) with advanced embossment technology
  • Application: GM Duramax LMM and LLY diesel engines

Features and Benefits:

  • Complete top end gasket set for comprehensive engine rebuilds
  • MLS head gaskets provide exceptional durability and conformability to sealing surfaces
  • Engineered to withstand extreme cylinder pressures in diesel applications
  • Precision-manufactured for proper fitment and reliable sealing
  • Ideal for performance builds, upgrades, and complete engine overhauls

This gasket kit is designed for professional installers and enthusiasts performing top-end engine work on GM Duramax diesel engines. The MLS construction ensures long-lasting, leak-free performance even in demanding applications.

Products specifications

Fits

Chevrolet Silverado 2500 HD 2007-10, Silverado 3500 HD 2007-10, Express 3500 2007-10, Express 2500 2007-10; GMC Sierra 2500 HD 2007-10, Sierra 3500 HD 2007-10, Savana 2500 2008-10, Savana 3500 2008-10

Prop 65

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

Easy ordering process

Order was exactly what we were looking for and arrived on time.

My order was delivered quickly, with no issues.

Great service

Great

Great product, price, and delivery.

Best price anywhere. Brilliant!

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