BBC Copper Head Gasket 4.520 x .050

The BBC Copper Head Gasket 4.520 x .050 is designed for serious big-block Chevy engine builders and performance enthusiasts who require reliability under high combustion pressures. This gasket is essential for those rebuilding vintage muscle cars, constructing street performance engines, or assembling competition powerplants.

Constructed from copper, this head gasket features a 4.520-inch bore diameter and a .050-inch thickness, ensuring optimal sealing of the combustion chamber. The copper material allows for superior thermal conductivity compared to conventional steel gaskets, facilitating efficient heat dissipation from the combustion chamber to the coolant passages.

Ideal for big-block Chevy engine combinations ranging from 396 to 454 cubic inches, this gasket performs exceptionally well in turbocharged, supercharged, and naturally aspirated applications. Proper installation requires adherence to head-torque sequencing and the use of quality fasteners to ensure optimal performance.