Made of plastic and rubber. Long durability and Good sealing. High oil consumption and low engine performance would disappear after installing. Fitment: Replacement For Nissan Altima Sentra 2.5L (2500cc) DOHC 4-Cylinder QR25DE Engine 2002 2003 2004 2005 2006. Replace Part Number: 264-982, 264982, 132643Z001, 13264-3Z001, 13264 3Z001, 13270-3Z000, 132703Z000. plastic, steel, or aluminum construction resists warping, cracking and porousness; Package Includes: Complete Valve Cover Kit (with 1 New Valve Cover Assembly, 1 New Valve Cover Gasket, 4 New Spark Plug Tube Seals). Easy to install; The valve cover has well sealed to protect the valve train and camshaft in each cylinder head. It keeps oil from leaking out into the engine compartment and debris from getting into the cylinder head.
