Derale 25702 Thermostatic Universal Engine Sandwich Adaptor.

This universal kit is made using a high quality die-cast aluminum and includes a 180°F thermostatic sandwich adapter with 3/8″ NPT ports with an O-ring diameter of 2 3/4″, this adapter provides external oil lines to allow the addition of an engine oil cooler. It installs between the stock engine oil filter landing and the oil filter.

Specifications:
Sandwich Adapter type: B.
Adapter thread size: 3/4″-16, 13/16″-16, 18 x 1.5mm, 20 x 1.5mm, & 22 x 1.5mm.
Adapter o-ring size: 2-3/4″.
Adapter thickness: 1-3/4″.
Adapter inlet size: 3/8″ NPT.

Features:
Provides external oil lines for oil coolers without relocating the factory oil filter.
Cast form high quality aluminum.
Maintain factory equivalent oil filter.
Type B Sandwich Adapter with 3/4″-16, 13/16″-16, 18 x 1.5mm, 20 x 1.5mm, & 22 x 1.5mm thread sizes, fits most applications *see application guide for specific applications.
Includes sandwich adapter, sleeve nuts & O-ring.