Dual Side Ports Spin On Adapter with 1/2" NPT Ports and 3/4"-16 Filter ThreadHigh quality die cast aluminum spin on adapter with 1 2" NPT dual side ports, 3 4" 16 threads and fits 2 1 2" to 2 3 4" oil filter landings. This adapter provides external oil lines to allow the addition of an engine oil cooler and or remote filter mount, installing at the stock engine oil filter location. Comes in bright finish.