The Preferred Electric & Wire Corp RG405R Rocker Cover Gaskets are high-quality valve cover gaskets designed for engines in the engine compartment. Made of durable cork material, these gaskets come in a pack of 2 and have 5 bolt holes for easy installation. Manufactured by Preferred Electric & Wire Corp, these gaskets ensure a secure seal to prevent leaks and help maintain engine performance. Ideal for car and truck owners looking to replace worn-out or damaged gaskets, these rocker cover gaskets are a reliable and essential part for engine maintenance.