This compact oil sandwich plate adaptor gives you the ability to run an external oil cooler while maintaining the stock oil filter location. It has 2 x 1/8” NPT ports for auxiliary accessories such as a pressure gauge or oil feed line and comes with a variety of inserts including 3/4”-16, 13/16”-16, M18 x 1.5 mm, M20 x 1.5 and M22 x 1.5 threads for universal fitment.

• Seal I.D: 62mm(2-7/16")
• Seal O.D: 71mm(3-3/8")
• Block Threads: 3/4"-16, 13/16"-16, M18 x 1.5, M20 x 1.5, M22 x 1.5 (Both male and female are the same thread).
• Fits Fram Filters HP1, HP4, HP17, HP18

Note: Will not suit Chevy engines (please use  PFEOS-OB2010.)