An engine block on an engine with angled oil outlets adapted to engage a
reusable fluid filter, consisting of: a pre-cast filter-connecting
segment; the pre-cast filter-connecting segment having a filtered oil
inlet in fluid communication with the engine and also including a number
of angled oil outlets in fluid communication with the engine. The angled
oil outlets are arranged circularly about a central axis of the pre-cast
filter-connecting segment, and extend downwardly from the engine block at
a first angle and outwardly at a tangent to a cylindrical reference
surface parallel to the central axis.