The Irontite 912016 Ceramic Block Sealer is a 16 fl oz head sealer designed for front placement on a vehicle. Manufactured by IRONTITE, this sealer is specifically made for sealing the heads of engines to prevent leaks and maintain proper functioning. It does not have an OE/OEM Part Number and is ideal for use in the Carburetors and Air & Fuel Delivery systems of cars and trucks. This product is a reliable choice for effectively sealing and protecting the engine block.