Upgrade your Honda Prelude SI with the Cometic Gasket C4566-045 MLS Head Gasket, specifically designed for 1988 to 1991 models. This high-performance head gasket features a compressed thickness of .045 inches and accommodates an 83mm bore. Crafted from multiple layers of durable stainless steel, this MLS (Multi-Layer Steel) gasket provides superior sealing capabilities, making it perfect for high-output engines. The gasket requires no additional sealants, ensuring a reliable and efficient seal between aluminum heads and blocks or between aluminum heads and cast iron blocks. The advanced design of the Cometic MLS Head Gasket includes outer layers that are embossed and coated with Viton, a heat-resistant elastomer that can withstand extreme temperatures of up to 482?F. This gasket not only enhances durability through its increased strength but also offers excellent resistance to corrosion and shearing forces. With the Cometic Gasket C4566-045, you're guaranteed optimal performance and longevity for your engine, making it a must-have for any serious automotive enthusiast.