Trans-Dapt Oil Cooler Sandwich Adapter - 13/16-16 in Center Thread - 1/2 in NPT Female Inlet - 3/8 in NPT Female Outlet - 2-1/4 in Thick - Chevy V8 Antenna Shock Spring making it the perfect choice

making it the perfect choice for any Small or Big Block Chevy engine

reluctor and adjustable weight plate assembly (where applicable)

black oxide

and has built in reverse polarity protection

1/8 in NPT Female Inlet

Trans-Dapt Oil Cooler Sandwich Adapter - 13/16-16 in Center Thread - 1/2 in NPT Female Inlet - 3/8 in NPT Female Outlet - 2-1/4 in Thick - Chevy V8 Antenna Shock Spring making it the perfect choiceTrans Dapt Performance Oil Cooler Sandwich Adapter, 3 3 16" I. D. and 3 7 16" O. D. Filter Flange, 13 16" 16 Thread Size Fits engines using oil filters with a 13 16" 16 thread and 3 5 16" diameter O ring. Trans Dapt Oil Cooler Sandwich Adapter 1322 13 16 16 Threads 3 3 16" I. D. 3 7 16" O. D. Allow Installation Of An Engine Oil Cooler No Need To Relocate The Oil Filter Each member company of the Hedman Performance Group is a specialist in the field