Fel-Pro(R) gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment. FEL-PRO HS 26330 PT PermaTorque Engine Cylinder Head Gasket Set for Toyota FJ Cruiser SEALING TECHNOLOGIES -- Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair DESIGNED FOR IMPERFECT SEALING SURFACES -- Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces STRONG AND DURABLE -- Features graphite or reinforced fiber facing material and steel armor for strength and durability PROPRIETARY COATING -- Nonstick anti-friction coating seals small surface scratches and imperfections NO RETORQUE DESIGN -- Steel core helps eliminate the need for retorquing head bolts