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Derale 25720 GM Engine Sandwich Adapter Silver
Provides external oil lines for oil coolers without relocating the factory oil filter
Cast form high quality aluminum
Maintain factory equivalent oil filter
GM type C sandwich adapter with 13/16 inch-16 thread size, fits most applications
High quality die-cast aluminum thermostatic sandwich adapter with 1/2 inch NPT ports and an O-ring diameter of 3 1/2 inch, this adapter provides external oil lines to allow the addition of an engine oil cooler to most 1963-2007 GM V-8 engines. It installs between the stock engine oil filter landing and the oil filter. Stock filter is retained.