SCE Gaskets P145243 Pro Copper Cylinder Head Gasket Bore Thick BBC - 4.520 0.043

The SCE Gaskets P145243 Pro Copper cylinder head gasket is engineered for high-performance big block Chevy applications requiring superior sealing and heat dissipation. This premium gasket features solid copper construction that conforms to imperfect sealing surfaces and withstands extreme cylinder pressures found in racing and high-output street engines.

Key Specifications:

• Bore size: 4.520 inches
• Compression thickness: 0.043 inches
• Material: Solid copper construction
• Application: Big block Chevy V8 engines
• Style: Pro Copper series

Features and Benefits:

• Solid copper construction provides excellent thermal conductivity to transfer heat away from combustion chambers
• Soft copper material conforms to minor surface imperfections for reliable sealing
• 0.043-inch thickness allows precise compression ratio tuning
• Designed to handle extreme cylinder pressures in boosted and naturally aspirated applications
• Reusable when properly annealed between uses
• Requires O-ringing or wire ring for proper installation and sealing

SCE Pro Copper head gaskets are a proven choice for engine builders and racers who demand maximum reliability under severe operating conditions. The 4.520-inch bore size accommodates big block Chevy engines with oversized bores or stroker configurations.