Canton Engine Oil Filter Adapter 22-566. 13/16 -16 Thread Pitch. This Universal oil input adapters has 13/16″ -16 thread and a 2-5/8″ standard O-Ring. This adapter provides one 1/2 N. Oil input port before filtration. The adapter mounts between the oil filter and block, lowering your filter 1-1/4. PerformanceParts is an authorized reseller of Canton. […]