Chevrolet Performance MLS Cylinder Head Gasket 4.100 Bore — Fits 6.2L LT1/LT4 Engines

SKU: FMQX_12654622
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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 Chevrolet Performance Parts

Chevrolet Performance Parts engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Chevrolet Performance Parts lineup with fast shipping and expert fitment support — order with confidence.

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High-Performance Sealing for LT1/LT4 Engines

Ensure your engine's integrity with the Chevrolet Performance Multi-Layer Steel (MLS) Cylinder Head Gasket. Designed specifically for the 6.2L LT1 and LT4 platforms, this gasket provides the superior sealing capabilities required for high-compression and forced induction applications. Whether you are performing a routine rebuild or a high-performance engine upgrade, this OEM-quality component offers the reliability needed to prevent leaks and maintain optimal cylinder pressure.

Technical Specifications

  • Bore Size: 4.100 inches
  • Compressed Thickness: 0.055 inches
  • Material: Multi-Layer Steel (MLS) construction
  • Application: GM 6.2L LT1 and LT4 engines
  • Design: Precision-fit for consistent clamping force

The MLS design utilizes multiple layers of stainless steel to provide excellent spring-back and thermal expansion compensation, ensuring a reliable seal under extreme heat and pressure. This gasket is engineered to handle the rigorous demands of modern performance driving, providing peace of mind during high-RPM operation. Its precise thickness is optimized to maintain correct quench distance, which is critical for preventing detonation and maximizing power output. Trust in the durability of genuine Chevrolet Performance parts to keep your engine running at peak efficiency. Find all your essential engine sealing components here at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Chevrolet Performance Parts

Chevrolet Performance Parts engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Chevrolet Performance Parts lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

High-Performance Sealing for LT1/LT4 Engines

Ensure your engine's integrity with the Chevrolet Performance Multi-Layer Steel (MLS) Cylinder Head Gasket. Designed specifically for the 6.2L LT1 and LT4 platforms, this gasket provides the superior sealing capabilities required for high-compression and forced induction applications. Whether you are performing a routine rebuild or a high-performance engine upgrade, this OEM-quality component offers the reliability needed to prevent leaks and maintain optimal cylinder pressure.

Technical Specifications

  • Bore Size: 4.100 inches
  • Compressed Thickness: 0.055 inches
  • Material: Multi-Layer Steel (MLS) construction
  • Application: GM 6.2L LT1 and LT4 engines
  • Design: Precision-fit for consistent clamping force

The MLS design utilizes multiple layers of stainless steel to provide excellent spring-back and thermal expansion compensation, ensuring a reliable seal under extreme heat and pressure. This gasket is engineered to handle the rigorous demands of modern performance driving, providing peace of mind during high-RPM operation. Its precise thickness is optimized to maintain correct quench distance, which is critical for preventing detonation and maximizing power output. Trust in the durability of genuine Chevrolet Performance parts to keep your engine running at peak efficiency. Find all your essential engine sealing components here at GGCRACING.

Product Details

Product Description

About Chevrolet Performance Parts

Chevrolet Performance Parts engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Chevrolet Performance Parts lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

High-Performance Sealing for LT1/LT4 Engines

Ensure your engine's integrity with the Chevrolet Performance Multi-Layer Steel (MLS) Cylinder Head Gasket. Designed specifically for the 6.2L LT1 and LT4 platforms, this gasket provides the superior sealing capabilities required for high-compression and forced induction applications. Whether you are performing a routine rebuild or a high-performance engine upgrade, this OEM-quality component offers the reliability needed to prevent leaks and maintain optimal cylinder pressure.

Technical Specifications

  • Bore Size: 4.100 inches
  • Compressed Thickness: 0.055 inches
  • Material: Multi-Layer Steel (MLS) construction
  • Application: GM 6.2L LT1 and LT4 engines
  • Design: Precision-fit for consistent clamping force

The MLS design utilizes multiple layers of stainless steel to provide excellent spring-back and thermal expansion compensation, ensuring a reliable seal under extreme heat and pressure. This gasket is engineered to handle the rigorous demands of modern performance driving, providing peace of mind during high-RPM operation. Its precise thickness is optimized to maintain correct quench distance, which is critical for preventing detonation and maximizing power output. Trust in the durability of genuine Chevrolet Performance parts to keep your engine running at peak efficiency. Find all your essential engine sealing components here at GGCRACING.

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