Cometic MLS Left Side Head Gasket 01-07 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML | .140"

Name: Cometic MLS Left Side Head Gasket 01-07 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML | .140"
Brand: Cometic Gaskets
SKU: COM-C5883-140
Price: 224.5 USD
Availability: InStock

$224.50

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Description

Built for reliability under stock or high-performance conditions, this premium multi-layer steel (MLS) head gasket delivers consistent sealing for GM Duramax engines. Designed to maintain proper cylinder pressure and withstand extreme heat and boost, it’s available for both Left (Driver) and Right (Passenger) side fitment. Choose from multiple thickness options to match your piston protrusion, head resurfacing, or compression-ratio needs: .027" – Factory-level thickness for untouched surfaces .055" – Slightly thicker to accommodate minor machiningWe currently only offer the Left Side in .055" thickness .084" – Mid-range thickness for rebuilt or performance applications .140" – Extra-thick option for significant resurfacing or lowered compression on high-boost builds Whether you're completing a stock refresh or assembling a competition-level Duramax, this MLS gasket ensures a secure, long-lasting seal.

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Built for reliability under stock or high-performance conditions, this premium multi-layer steel (MLS) head gasket delivers consistent sealing for GM Duramax engines. Designed to maintain proper cylinder pressure and withstand extreme heat and boost, it’s available for both Left (Driver) and Right (Passenger) side fitment.

Choose from multiple thickness options to match your piston protrusion, head resurfacing, or compression-ratio needs:

.027" – Factory-level thickness for untouched surfaces
.055" – Slightly thicker to accommodate minor machining
We currently only offer the Left Side in .055" thickness
.084" – Mid-range thickness for rebuilt or performance applications
.140" – Extra-thick option for significant resurfacing or lowered compression on high-boost builds

Whether you're completing a stock refresh or assembling a competition-level Duramax, this MLS gasket ensures a secure, long-lasting seal.

About Cometic Gaskets

Cometic is a leading supplier of gaskets and engine sealing solutions. No matter what diesel truck you drive, Cometic has a gasket kit for you. Since 1989, Cometic has been living, eating, and breathing powersports. They are proud supporters of GNCC< AMA, NASCAR, and other race teams across the country. To ensure superior performance across a wide variety of engine types and sizes, Cometic manufactures gaskets from a comprehensive range of materials. Whether the situation calls for the latest in advanced technology like the MLS (Multi-Layer Steel) Gasket, or a synthetic blend such as Aramid Fiber, Cometic finds a solution. Cometic stays on the forefront of gasket design technology by utilizing in-house dynamometers and engine assembly rooms to bring its distributors, retailers and ultimately the end-user, the most reliable gaskets available today.