Duplex Sandwich adapter for Cummins 1"-16 thread

Fits 1”- 16 thread sizes. Designed to fit ’89-’19 Dodge/RAM 5.9, 6.7L L6 Cummins Diesel ’11-’19 Ford 6.7L V8 Powerstroke. 1” 5/8 thick. 3/8” NPT ports for use with ½” oil lines. 2 ½” O-Ring and 2 brass thread reducers (bushings) are included.