Derale 35704 Premium Engine Spin On Adapter with -10AN(7/18-14) O-ring Ports, 18×1.5mm Engine.

These high quality die-cast aluminum spin-on adapters boasts a billet look at a reasonable price. With -10AN (7/8″-14) O-ring ports and a 18 x 1.5mm thread size this Premium Series adapter fits 2 1/2″ to 2 3/4″ engine filter landings. It provides external oil lines to allow the addition of an engine oil cooler and/or remote filter mount, installing at the stock engine oil filter location. Also features a durable black powder coat finish.

Specifications.
Thread size: 18 x 1.5mm.
O-ring size: 2-1/2″, 2-3/4″.
Thickness: 1-3/4″.
Inlet size: -10AN / 7/8″-14 O-ring.

Features:
Provides external oil lines for remote filter mounts and oil coolers.
Powder coated black finish.
New billet style design.
Spin-on Adapter with 18 x 1.5mm thread size.
-10AN / 7/8″-14 O-ring ports.