SCE Gaskets Pro Copper Head Gasket 4.630 x .043 — Fits Big Block Chevy Gen V/VI

SKU: BHMS_P146243
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About SCE Gaskets SCE Gaskets engineers high-quality automotive parts and ...Read More

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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 SCE Gaskets

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

High-Performance Sealing for Big Block Chevy Engines

When building a high-output Big Block Chevy (Gen V or Gen VI), sealing integrity is paramount. The SCE Pro Copper Head Gasket is engineered to provide a superior seal under extreme cylinder pressures. Crafted from premium-grade copper, this gasket offers excellent heat dissipation and conforms perfectly to deck surfaces, ensuring your engine remains leak-free during high-RPM operation.

Technical Specifications

  • Material: Premium Pro Copper
  • Bore Diameter: 4.630 inches
  • Compressed Thickness: 0.043 inches
  • Compatibility: Big Block Chevy Gen V and Gen VI
  • Application: High-performance street and racing engines

The .043 thickness is specifically chosen to optimize quench area and compression ratios, providing the stability required for forced induction or high-compression naturally aspirated builds. Unlike standard composite gaskets, these copper units are reusable in many racing applications, making them a cost-effective choice for engine builders who frequently inspect their internals. Proper installation is critical; ensure your block and head surfaces are clean and flat to maximize the sealing potential of this copper gasket. Whether you are prepping for the drag strip or a high-horsepower street machine, trust the precision engineering of SCE Gaskets. Find all your performance engine sealing solutions at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About SCE Gaskets

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

High-Performance Sealing for Big Block Chevy Engines

When building a high-output Big Block Chevy (Gen V or Gen VI), sealing integrity is paramount. The SCE Pro Copper Head Gasket is engineered to provide a superior seal under extreme cylinder pressures. Crafted from premium-grade copper, this gasket offers excellent heat dissipation and conforms perfectly to deck surfaces, ensuring your engine remains leak-free during high-RPM operation.

Technical Specifications

  • Material: Premium Pro Copper
  • Bore Diameter: 4.630 inches
  • Compressed Thickness: 0.043 inches
  • Compatibility: Big Block Chevy Gen V and Gen VI
  • Application: High-performance street and racing engines

The .043 thickness is specifically chosen to optimize quench area and compression ratios, providing the stability required for forced induction or high-compression naturally aspirated builds. Unlike standard composite gaskets, these copper units are reusable in many racing applications, making them a cost-effective choice for engine builders who frequently inspect their internals. Proper installation is critical; ensure your block and head surfaces are clean and flat to maximize the sealing potential of this copper gasket. Whether you are prepping for the drag strip or a high-horsepower street machine, trust the precision engineering of SCE Gaskets. Find all your performance engine sealing solutions at GGCRACING.

Product Details

Product Description

About SCE Gaskets

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

High-Performance Sealing for Big Block Chevy Engines

When building a high-output Big Block Chevy (Gen V or Gen VI), sealing integrity is paramount. The SCE Pro Copper Head Gasket is engineered to provide a superior seal under extreme cylinder pressures. Crafted from premium-grade copper, this gasket offers excellent heat dissipation and conforms perfectly to deck surfaces, ensuring your engine remains leak-free during high-RPM operation.

Technical Specifications

  • Material: Premium Pro Copper
  • Bore Diameter: 4.630 inches
  • Compressed Thickness: 0.043 inches
  • Compatibility: Big Block Chevy Gen V and Gen VI
  • Application: High-performance street and racing engines

The .043 thickness is specifically chosen to optimize quench area and compression ratios, providing the stability required for forced induction or high-compression naturally aspirated builds. Unlike standard composite gaskets, these copper units are reusable in many racing applications, making them a cost-effective choice for engine builders who frequently inspect their internals. Proper installation is critical; ensure your block and head surfaces are clean and flat to maximize the sealing potential of this copper gasket. Whether you are prepping for the drag strip or a high-horsepower street machine, trust the precision engineering of SCE Gaskets. Find all your performance engine sealing solutions at GGCRACING.

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