High-performance cylinder head gasket designed for race jetski engines, ensuring optimal compression and seal under extreme conditions. Precision-engineered from multi-layer steel (MLS) with high-temp-resistant composite materials for durability and heat dissipation. Direct replacement for Yamaha 6S5-11181-00-00, compatible with 1.8L FX Cruiser/HO/SHO/SVHO/FZS/FZR models. Laser-cut edges and factory-spec thickness prevent leaks in high-RPM saltwater environments. Ideal for competitive racing, freeride modifications, or OEM-grade engine rebuilds. Batch-tested for 300+ hours under 15psi boost pressure. Ships in corrosion-resistant packaging with installation torque specs.