Canton 22-548 Aluminum Oil Cooler Adapter Univ Sandwich Style 20MM -1.5, 2 5/8. This Universal Oil Cooler Sandwich Adapter has 20mm -1.5 thread and a 2-5/8 O-Ring. It provides an in and out port for installing an 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. 20mm – 1.5 thread Thread Pitch. (2) 1/2 NPT Ports. Lowers filter by 1.25. 98-004 – Replacement O-Ring Kit. 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.