Proflow billet aluminium oil filter sandwich adapters allow you to install an oil cooler and retain your stock oil filter location. Made from high-quality billet aluminium, these adapters feature a AN10T inlet and outlet and 1/8NPT Ports for oil line feed. Proflow's billet aluminium oil filter sandwich adapters are available for a choice of applications. Proflow billet aluminium oil filter sandwich adapters allow you to install an oil cooler and retain your stock oil filter location. Made from high-quality billet aluminium, these adapters feature a AN10 inlet and outlet and 1/8NPT Ports for oil line feed. Proflow's billet aluminium oil filter sandwich adapters are available for a choice of applications.