Cometic C4605-027 MLS Cylinder Head Gasket Toyota Bore - 4A-GE 20V 83mm 027

The Cometic C4605-027 is a Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for the Toyota 4A-GE 20-valve 1.6L engine. This high-performance gasket features an 83mm bore diameter and .027" (0.69mm) compressed thickness, making it ideal for both stock rebuilds and modified high-output applications.

Multi-Layer Steel Construction:

• Comprised of multiple embossed layers of stainless steel for superior strength and durability
• Outer layers feature Viton rubber coating that is heat resistant up to 482°F (250°C)
• Variable center shim layer allows for precise thickness requirements
• Compressed operating thickness of 0.036"
• No sealants required—install dry for optimal performance

Advanced Performance Features:

• Provides maximum sealing performance for high-output engines including turbocharged, supercharged, and nitrous applications
• Ideal for both aluminum-to-aluminum and aluminum-to-cast iron block combinations
• Withstands extreme shearing forces between dissimilar materials
• Increased strength and ability to rebound while resisting corrosion
• No re-torque required after initial installation

Cometic gaskets are proudly manufactured in the USA at their state-of-the-art facility in Concord, Ohio, using materials sourced from American suppliers. Each gasket is precision-engineered to meet the demanding requirements of professional motorsports teams and enthusiasts alike.