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Cometic 2014+ GM LT1 6.2L Gen V 104.14mm .040 inch MLX Head Gasket

SKU: CGSC5038-040

Head Gaskets

CG Head Gaskets...

Cometic 2014+ GM LT1 6.2L Gen V 104.14mm .040 inch MLX Head Gasket

SKU: CGSC5038-040

Head Gaskets

CG Head Gaskets...

Sale ends in Calculating...

A$421.20 A$447.99
IN STOCK! Est Ship 4-7 days. In stock at 2 locations (more than 10 available)

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Description

Exclusive Cometic Gasket flash sale discount at StreetFX!

Talk about timing! This is a limited offer while stocks last on various Cometic Gasket part numbers. There's never been a better time to buy your Cometic Gasket upgrades, so what are you waiting for?!

This item is currently on sale!

Same-day payment required to secure promotional price. Promotions may end early or be extended based on stock levels or other factors.

Cylinder Head Gasket - 4.100 in Bore - 0.040 in Compression Thickness - Multi-Layer Steel - GM LT-Series - Each

Cylinder Head Gasket

The Cometic MLS gasket is comprised of three to five layers of stainless steel. Cometic uses stainless steel for increased strength, its ability to rebound and resist corrosion. The outer layers of the gasket are embossed and coated on both sides with a Viton rubber material designed to meet the demands of a variety of harsh sealing environments, load conditions and surface finishes. The Viton coating is heat resistant to 250°C or 482°F.

Additional Information

GM LT1/LT4 Gen-V Small Block V8 .040in. MLX Cylinder Head Gasket; 4.100in. Bore

Part Type

Engine Cylinder Head Gasket

Product Overview

The Cometic MLS gasket is comprised of three to five layers of stainless steel. Cometic uses stainless steel for increased strength, its ability to rebound and resist corrosion. The outer layers of the gasket are embossed and coated on both sides with a Viton rubber material designed to meet the demands of a variety of harsh sealing environments, load conditions and surface finishes. The Viton coating is heat resistant to 250°C or 482°F.

Additional Application Notes
• Material: MLX Compressed Thickness: .040 Bore Size (IN): 4.100 Bore Shape: Round 0.040in. MLX; 4.100in. Bore # of layers: 4
• 0.040in. MLX; 4.100in. Bore

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

Data: v4.2 - Upd: 2026-11-11 03:08:52

Features

  • Embossed Outer Layers Coated w/Viton
  • Improved clamp load around the cylinder without increasing bore distortion

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Description:GM LT1/LT4 Gen-V Small Block V8 Cylinder Head Gasket
Engine Make/Size:GM Gen V/VI Big Block
OEM Part Number:12688943
Part Number:cgsC5038-040
Title:Cometic Gasket Automotive GM LT1/LT4 Gen-V Small Block V8 .040 in MLX Cylinder Head Gasket, 4.100 in Bore

Product Downloads

# Document Type Download
1. Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-07 18:39:01

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Cometic Gasket, Cometic, Cometic Gasket Automotive, Cometic Gasket Marine, Cometic Gasket Powersports, COMETIC GASKETS, Cometic Powersport Gaskets
StreetFX SKU cgsC5038-040
SFX Item ID 4160707
Accounting SKU cgs-C5038-040
Manufacturer SKU C5038-040
Manufacturer UPC 191070364083
Alternative References C5038-040, CAGC5038-040, CGT-C5038-040

Head Gasket, MLX, Multi-Layer Stainless Steel, 4.100 in. Bore, 0.040 in. Thickness, Chevy, Gen V, LT1/LT4 Small Block, Each

The leak stops here! Cometic MLX head gaskets feature a unique integrated "stopper" layer for optimum combustion chamber sealing and improved clamp load around the cylinder without increasing bore distortion. The MLX head gaskets, like their MLS counterparts, are multi-layer stainless steel for increased strength—and require no sealants or re-torquing. Dozens of models are available; order the MLX head gaskets designed to maximize your engine's power and performance.

Product Attributes
UPC00191070364083
BrandCometic
QuantitySold individually.
Bore (mm)104.140mm
Lock WireNo
Part TypeHead Gaskets
Bore (in.)4.100 in.
Product LineCometic MLX Head Gaskets
Gasket MaterialMulti-layer stainless steel
Compressed Volume (cc)8.654cc
Compressed Thickness (in.)0.040 in.
Manufacturer's Part NumberC5038-040

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