Spin-on oil filter adapter for six cylinder continental aircraft engines

An apparatus comprising:

• a six cylinder Continental Aircraft engine with an accessory case having an oil screen hole with two oil passage openings in the accessory case;
• a tee casting secured to the accessory case and having a sleeve with a bore therethrough, an oil input passage, an oil output passage and a base, the base having a filter receiving end, the oil input passage and the oil output passage extending from the filter receiving end of the base into the bore of the sleeve;
• a hub connected to the accessory case, the hub having an inner portion extending into the oil screen hole, an outer portion journaled through the bore of the sleeve, an oil input passage and an oil output passage, the oil input and oil output passages extending through said hub from the inner portion to the outer portion;
• and
• a spin-on filter connected to the filter receiving end of the base;
• wherein the oil is circulated through the oil inlet passages of the hub and the base and through the spin-on filter from one of said oil passage openings and discharged back into the other of said oil passage openings through the oil outlet passages of the tee casting and the hub.