This 90 deg. rotating remote oil filter adapter spins-on to 13/16"-16 thread with 3-1/4" seal stock filter locations (SBC & Mark5/Gen 6 BBC) and provides 1/2" N. P. T. in and out ports for plumbing a remote filter. It's unique design permits the two 90 degree inlet and outlet ports to be rotated. This simplifies hose and fitting connections for all applications. It is machined from billet aluminum and comes with all necessary hardware and O-Ring seals.