COMETIC Top End Gasket Kit for Gas Gas and Yamaha 77mm C7905-EST

Top End Gasket Kit - 77 mm - Gas Gas/Yamaha

The COMETIC C7905-EST Top End Gasket Kit is designed for high-performance 4-stroke engines, offering superior sealing and durability to ensure optimal engine operation. This comprehensive kit includes a high-quality MLS head gasket, base gasket, cylinder O-rings, and additional top end seals necessary for efficient removal and installation. The multi-layered steel (MLS) head gasket promotes an even torque load across the sealing surface, reducing bore distortion and enhancing piston ring seal for increased power output. These gaskets are engineered to withstand the intense pressures of today's high-horsepower engines, making them ideal for naturally aspirated and boosted applications. The embossed outer layers coated with Viton rubber provide excellent sealing and heat resistance, ensuring reliable performance under demanding conditions. Made in the USA, this gasket kit features advanced EST (Extreme Sealing Technology) components, including embossed stainless steel head, base, and rocker gaskets covered with proprietary rubber material. The gasket material efficiently draws heat away from critical combustion areas and dissipates it evenly across the gasket surface, eliminating hot spots that can lead to gasket failure. Whether you're rebuilding or upgrading your engine, the COMETIC C7905-EST gasket kit offers a robust solution designed for longevity and high performance in competitive or recreational motorsports.

Features:

• Includes head gasket, base gasket, cylinder O-rings, and top end seals for complete top end rebuild

• Multi-layered steel (MLS) design promotes even torque load and reduces bore distortion

• Embossed outer layers coated with Viton rubber for superior sealing and heat resistance

• Designed for high-horsepower 4-stroke engines, both naturally aspirated and boosted

• Made in the USA with advanced Extreme Sealing Technology (EST) for enhanced durability and performance