4.670 MLS Head Gasket .051 - BBF 460

The 4.670 MLS Head Gasket .051 for BBF 460 engines is specifically designed for serious big-block Ford builders who demand reliability under extreme combustion pressures. This gasket is essential for those rebuilding a high-performance 460 engine for various applications, including street performance, towing, or competition duty.

With a .051-inch thickness, this gasket is suitable for stock-bore or lightly machined heads, ensuring precise combustion chamber volume and compression ratio control. Cometic's MLS (Multi-Layer Steel) construction features stainless steel layers bonded with elastomer, providing resistance to blowout and maintaining clamping load across thermal cycles.

Engine builders installing upgraded cylinder heads, stroker kits, or performance cam combinations on 460 big-blocks will find this gasket beneficial, especially when cylinder pressure exceeds factory specifications. Proper installation requires attention to head bolt torque sequencing and ensuring a clean deck surface for optimal performance.