Cometic GM LS7 Gen-4 .040in MLX Head Gasket — 4.150in Bore

SKU: CGSC5030-040
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Cometic Gasket

Cometic Gasket is the world leader in custom multi-layer steel head gaskets for performance and motorsport engines. From off-the-shelf MLS for popular platforms to bespoke gaskets for race-only builds, Cometic seals everything from Honda B-series to LSX.

Cometic MLX Head Gasket for GM LS7 Gen-4 Small Block V8

Maximize the performance and reliability of your GM LS7 Gen-4 Small Block V8 engine with this premium Cometic .040 inch Multi-Layer Extreme (MLX) Head Gasket. Engineered for a 4.150 inch bore, this gasket is designed to handle the extreme demands of high-horsepower LS7 engines.

Superior Sealing for High-Performance Engines:

  • Multi-Layer Extreme (MLX) Technology: Cometic's MLX gaskets offer enhanced sealing capabilities beyond standard MLS, utilizing advanced materials and construction for superior resistance to extreme cylinder pressures and temperatures.
  • Viton Coating: Features a Viton coating on the outer layers, providing excellent resistance to heat and aggressive engine fluids, ensuring a long-lasting, leak-free seal.
  • Optimized Thickness: The .040 inch compressed thickness is ideal for LS7 engines, helping to achieve optimal compression ratios for enhanced power output.
  • 4.150 inch Bore: Precisely manufactured for a 4.150 inch bore, ensuring a perfect fit for the LS7 engine's cylinder heads and blocks.

Vehicle Compatibility:

This Cometic MLX head gasket is specifically designed for GM LS7 Gen-4 Small Block V8 engines found in performance vehicles such as:

  • 2006-2013 Chevrolet Corvette Z06
  • 2013 Chevrolet Corvette 427
  • 2008 Chevrolet Corvette 427 Limited Edition Z06
  • 2011 Chevrolet Corvette Z06 Carbon
  • 2014-2015 Chevrolet Camaro Z/28

Ensure your LS7 engine is equipped with the best sealing solution for peak performance. Trust GGCRACING for all your high-performance engine needs.

Vehicle Fitment

Years Make Model Trim
2014-2015 Chevrolet Camaro Z/28
2006-2013 Chevrolet Corvette Z06
2008 Chevrolet Corvette 427 Limited Edition Z06
2011 Chevrolet Corvette Z06 Carbon
2013 Chevrolet Corvette 427

Product Details

Product Description
Part Numbers
Sizing & Fit

About Cometic Gasket

Cometic Gasket is the world leader in custom multi-layer steel head gaskets for performance and motorsport engines. From off-the-shelf MLS for popular platforms to bespoke gaskets for race-only builds, Cometic seals everything from Honda B-series to LSX.

Cometic MLX Head Gasket for GM LS7 Gen-4 Small Block V8

Maximize the performance and reliability of your GM LS7 Gen-4 Small Block V8 engine with this premium Cometic .040 inch Multi-Layer Extreme (MLX) Head Gasket. Engineered for a 4.150 inch bore, this gasket is designed to handle the extreme demands of high-horsepower LS7 engines.

Superior Sealing for High-Performance Engines:

  • Multi-Layer Extreme (MLX) Technology: Cometic's MLX gaskets offer enhanced sealing capabilities beyond standard MLS, utilizing advanced materials and construction for superior resistance to extreme cylinder pressures and temperatures.
  • Viton Coating: Features a Viton coating on the outer layers, providing excellent resistance to heat and aggressive engine fluids, ensuring a long-lasting, leak-free seal.
  • Optimized Thickness: The .040 inch compressed thickness is ideal for LS7 engines, helping to achieve optimal compression ratios for enhanced power output.
  • 4.150 inch Bore: Precisely manufactured for a 4.150 inch bore, ensuring a perfect fit for the LS7 engine's cylinder heads and blocks.

Vehicle Compatibility:

This Cometic MLX head gasket is specifically designed for GM LS7 Gen-4 Small Block V8 engines found in performance vehicles such as:

  • 2006-2013 Chevrolet Corvette Z06
  • 2013 Chevrolet Corvette 427
  • 2008 Chevrolet Corvette 427 Limited Edition Z06
  • 2011 Chevrolet Corvette Z06 Carbon
  • 2014-2015 Chevrolet Camaro Z/28

Ensure your LS7 engine is equipped with the best sealing solution for peak performance. Trust GGCRACING for all your high-performance engine needs.

Vehicle Fitment

Years Make Model Trim
2014-2015 Chevrolet Camaro Z/28
2006-2013 Chevrolet Corvette Z06
2008 Chevrolet Corvette 427 Limited Edition Z06
2011 Chevrolet Corvette Z06 Carbon
2013 Chevrolet Corvette 427

Product Details

Product Description

About Cometic Gasket

Cometic Gasket is the world leader in custom multi-layer steel head gaskets for performance and motorsport engines. From off-the-shelf MLS for popular platforms to bespoke gaskets for race-only builds, Cometic seals everything from Honda B-series to LSX.

Cometic MLX Head Gasket for GM LS7 Gen-4 Small Block V8

Maximize the performance and reliability of your GM LS7 Gen-4 Small Block V8 engine with this premium Cometic .040 inch Multi-Layer Extreme (MLX) Head Gasket. Engineered for a 4.150 inch bore, this gasket is designed to handle the extreme demands of high-horsepower LS7 engines.

Superior Sealing for High-Performance Engines:

  • Multi-Layer Extreme (MLX) Technology: Cometic's MLX gaskets offer enhanced sealing capabilities beyond standard MLS, utilizing advanced materials and construction for superior resistance to extreme cylinder pressures and temperatures.
  • Viton Coating: Features a Viton coating on the outer layers, providing excellent resistance to heat and aggressive engine fluids, ensuring a long-lasting, leak-free seal.
  • Optimized Thickness: The .040 inch compressed thickness is ideal for LS7 engines, helping to achieve optimal compression ratios for enhanced power output.
  • 4.150 inch Bore: Precisely manufactured for a 4.150 inch bore, ensuring a perfect fit for the LS7 engine's cylinder heads and blocks.

Vehicle Compatibility:

This Cometic MLX head gasket is specifically designed for GM LS7 Gen-4 Small Block V8 engines found in performance vehicles such as:

  • 2006-2013 Chevrolet Corvette Z06
  • 2013 Chevrolet Corvette 427
  • 2008 Chevrolet Corvette 427 Limited Edition Z06
  • 2011 Chevrolet Corvette Z06 Carbon
  • 2014-2015 Chevrolet Camaro Z/28

Ensure your LS7 engine is equipped with the best sealing solution for peak performance. Trust GGCRACING for all your high-performance engine needs.

Vehicle Fitment

Years Make Model Trim
2014-2015 Chevrolet Camaro Z/28
2006-2013 Chevrolet Corvette Z06
2008 Chevrolet Corvette 427 Limited Edition Z06
2011 Chevrolet Corvette Z06 Carbon
2013 Chevrolet Corvette 427

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