SCE Gaskets 011154 Pro Copper Head Gasket 4.155 Bore .043 Thick SBC

The SCE Gaskets 011154 is a Pro Copper head gasket engineered for Chevrolet Small Block (SBC) applications with a 4.155-inch bore opening and .043-inch compressed thickness. This performance head gasket is designed for racing and high-performance street engines that demand precise sealing and durability.

Key Features:

• Manufactured from premium 99 percent pure copper sheets precisely rolled to exacting specifications and tested for uniform flatness
• Annealed after processing to ensure optimum mating and provide measurable gains in cylinder sealing with lower leak-down percentages
• 4.155-inch bore opening for proper cylinder clearance
• .043-inch compressed thickness for accurate compression ratio calculations
• Sold as a pair for complete engine assembly
• Ideal for naturally aspirated and forced induction applications

Installation Requirements:

This Pro Copper gasket requires o-rings and sealant for proper installation. O-ringing of the block or cylinder heads is required to create the necessary combustion seal. The solid copper construction provides superior heat transfer and conformability to machined surfaces when properly installed.

SCE Gaskets is recognized as a leader in racing gasket manufacturing, using advanced CNC technology and extensive testing to develop premium sealing solutions for high-performance and competition engines.