Derale 15782 Thermostatic Sandwich Adapter Kit Provides external oil lines for oil coolers without relocating the factory oil filter Cast form high quality aluminum Maintain factory equivalent oil filter Type A Sandwich Adapter with 3/4 inch-16, 13/16 inch-16, 18 x 1.5mm, 20 x 1.5mm, and 22 x 1.5mm thread sizes, fits most applications