SCE Gaskets P133880 Pro Copper Cylinder Head Gasket Bore Thick BBC - 4.380 0.080

The SCE Gaskets P133880 is a premium Pro Copper cylinder head gasket engineered for high-performance Big Block Chevy engines. Constructed from solid copper, this gasket provides superior thermal conductivity and conformability compared to traditional composite gaskets, making it ideal for racing applications and boosted engines.

Key Specifications:

• Bore size: 4.380 inches
• Compression thickness: 0.080 inches
• Material: Solid copper construction
• Application: Big Block Chevrolet V8 engines
• Design: Pro Copper series for maximum sealing performance

Features and Benefits:

• Excellent thermal conductivity helps dissipate combustion chamber heat
• Superior conformability to deck surface imperfections
• Reusable when properly annealed between installations
• Ideal for high-compression, turbocharged, and supercharged applications
• Precision-cut design ensures consistent bore sealing

Copper head gaskets require smooth, flat deck surfaces (minimum 50 RA finish recommended) and the use of a copper-compatible sealant on both sides. This gasket is sold individually and is designed for professional engine builders and serious enthusiasts who demand maximum performance and reliability.