Canton 22-545 Aluminum Oil Cooler Adapter Univ Sandwich Style 3/4″ -16, 2 5/8″. This Universal Oil Cooler Sandwich Adapter has 3/4″-16 thread and a 2-5/8″ O-Ring. It provides an in and out port for installing a oil cooler in almost any application. It mounts between the oil filter and block, lowering your filter only 1-1/4. Oil ports are 1/2 N. 3/4-16 Thread Pitch. (2) 1/2 NPT Ports. Lowers filter by 1.25. 98-004 – Replacement O-Ring Kit. 23-243A – 1/2 NPT to -6 AN Aluminum Adapter Fitting. 23-244A – 1/2 NPT to -8 AN Aluminum Adapter Fitting. 23-245A – 1/2 NPT to -10 AN Aluminum Adapter Fitting. 23-246A – 1/2 NPT to -12 AN Aluminum Adapter Fitting. We warrantee and represent that the goods are as described in the above listing. We specifically disclaim any implied warranties of title, merchantability, fitness for a particular purpose and non-infringement. Customers should satisfy themselves that any item choice made is suitable for their intended purpose or use. We pride ourselves on our customer service. Canton Racing Products has been servicing the needs of the racing and high performance community since 1981. From our headquarters in Connecticut we design and manufacture high quality performance automotive parts for use across the world. Focusing on engine oiling and cooling systems our product line includes, oil pans, windage trays, oil and fuel filters, oil accumulators, oil and coolant catch and expansion tanks, coolant accessories, and many other products for race and street. You may also be interested in.. View more great items.