The NUT, CYLINDER HEAD (318) from A & I PRODUCTS is a critical component for securing cylinder heads in various engines. Made from high-strength materials, this nut ensures durability and resistance to corrosion, providing reliable performance in demanding conditions. Its precise threading allows for easy installation and secure fit, making it essential for engine maintenance. This cylinder head nut meets industry standards for quality, ensuring long-lasting reliability in engine applications.A & I PRODUCTS cylinder head nut, model 376672, designed for engines with 318 cubic inch displacement. Manufactured from high-strength steel with corrosion-resistant finish, this nut secures the cylinder head to the engine block, maintaining proper clamping force under thermal and mechanical stress. Compatible with OEM specifications for 318 engines, the nut ensures reliable sealing and structural integrity during engine operation. The 376672 nut meets industry standards for durability and fitment in engine assembly.