Chevrolet Gen-1 Small Block V8 MLS Cylinder Head Gasket, 4.200″ Bore, 18/23 Degree Head

Cometic MLS Cylinder Head Gasket – Chevy Gen-1 Small Block V8

The Cometic Multi-Layer Steel (MLS) Cylinder Head Gasket is engineered for high-performance Chevrolet Gen-1 Small Block V8 engines, delivering superior sealing strength for street, strip, and race applications. Designed for 18° and 23° cylinder heads with a 4.200″ bore, this gasket is ideal for performance builds requiring reliability under high compression and boost.

Cometic MLS head gaskets feature three layers of embossed stainless steel, providing excellent rebound, durability, and resistance to corrosion. The precision-engineered construction allows the gasket to maintain a consistent seal even under extreme cylinder pressures, making it a trusted choice for professional engine builders.

Key Features & Benefits

• Designed for Chevy Gen-1 Small Block V8 engines
• Multi-Layer Steel (MLS) construction for superior sealing
• 3 layers of stainless steel for strength and rebound
• .027″ to .120″ compressed thickness options for precise compression control
• 4.200″ round bore with steam holes
• Compatible with 18° and 23° cylinder heads
• Excellent resistance to heat, pressure, and corrosion
• Ideal for high-compression, forced-induction, and racing applications

Why Choose Cometic MLS Head Gaskets?

Cometic is a leader in performance sealing solutions, trusted by engine builders worldwide. MLS technology handles the demands of modern performance engines and delivers consistent sealing where traditional composite gaskets can fail.

Note: MLS head gaskets require smooth, properly machined deck and head surfaces for optimal sealing performance.

Upgrade your Small Block Chevy with confidence using the Cometic Cylinder Head Gaskets — built to seal, built to last.