COMETIC Head Gasket - .045" C9985-045

A head gasket is your engine's critical seal—it's the barrier between combustion pressure and coolant passages. If it fails, you're looking at catastrophic damage. The COMETIC C9985-045 uses proven MLS (Multi-Layer Steel) construction with Load Control Embossments to distribute clamping force evenly, reducing bore distortion and protecting ring seal integrity across demanding engine conditions.

This gasket handles high-boost forced induction, nitrous oxide, and extended heat cycles without compromising reliability. Built with a stainless steel shim layer sandwiched between Viton-coated outer layers, it seals consistently across varied surface finishes and harsh environments—whether you're street tuning or track racing. Made in the U.S.A., it's engineered for engines that demand precision.

• Thickness: .045"
• MLS construction
• Stainless steel shim layer
• Viton-coated outer layers
• Load Control Embossments
• Reduced bore distortion
• Improved ring seal
• Multiple application compatibility
• U.S.A. manufactured
• Fits: See fitment guide