SCE Gaskets P136243 Pro Copper Cylinder Head Gasket 4.630 Bore .042 Thickness Big Block Chevy

The SCE Gaskets P136243 Pro Copper cylinder head gasket is engineered for high-performance Big Block Chevy engines requiring superior sealing and heat dissipation. This premium gasket features a 4.630-inch bore diameter and 0.042-inch compression thickness, designed to provide exceptional sealing under extreme combustion pressures and temperatures.

Key Features:

• Solid copper construction for maximum thermal conductivity and heat transfer
• 4.630-inch bore diameter accommodates stroker and overbored BBC applications
• 0.042-inch compressed thickness allows precise compression ratio tuning
• Pro Copper series design for racing and high-performance street engines
• Excellent conformability to head and block surface imperfections
• Reusable with proper installation and removal procedures
• Requires O-ringing or receiver grooves in block or heads for proper sealing

SCE Pro Copper gaskets are the choice of engine builders and racers who demand the ultimate in cylinder sealing performance. The solid copper construction provides superior thermal conductivity compared to composite gaskets, helping to transfer heat away from critical combustion chamber areas. Each gasket is sold individually and must be installed with appropriate sealing systems for optimal performance.