Canton - Billet Aluminum Oil Filter Mount For Chevy LS1This billet aluminum spin on filter mount is designed to install under the pan rail of our LS1 pans. The mount uses the same 13 16 16 thread filter nipple as stock to accept standard LS1 filters and features o ring seals between the pan and the adapter. Comes with mounting hardware. Features: *The mount uses the same 13 16 16 thread filter nipple as stock to accept standard LS1 filters and features O ring seals between the pan and the adapter *Made In