Thread size is 1/8” pipe, and "screwed absolutely right" for 95 Cummins 5.9L, every single piece is well QC beyond others
Use Teflon Tape to make a seal with the highest quality
Item Name - The Highest Quality Adjustable Boost Elbow For Dodge Cummins HY35W HX35W HX40W Turbo - The Boost Elbow For Dodge 2500 / 3500, year 95 ~ early 04
TRITDT P/N - TTT324-03001-001
Application - This boost controller elbow installs on compressor in plate of stock boost fitting, letting your control pressure levels with a simple wrench. - By Installing this boost elbow, you will get your turbocharger faster spool, lower EGT's and better performance. - Boost stock Cummins Holset HX35W HX40W and HY35W or other aftermarket S300 turbo actuator setting about 22-35 psi or more.
NOTE - USE TEFLON TAPE TO MAKE A SEAL WITH HIGHEST QUALITY - NOT WORK on 2001 ~ 2002 automatic transmission with turbo P/N 3592811 - NOT WORK on any stock turbo newer than late 2004 with computer controlled and there is nowhere to use this elbow.