Fitment: Fits most Dodge 2500 & 3500 1994~2004 with Holset HX35W, HX40W, HY35W and the aftermarket S300. (NOT FIT: 2001~2002 automatic transmission with turbo P/N: 3592811 or any stock turbo newer than 01/05/2004 due to the electronic controlled actuator.) Features: 1) Thread size is 1/8” pipe, screwed right for 95 Cummins 5.9L. 2) The boost controller elbow installs on compressor in plate of stock boost fitting, letting your control pressure levels with a simple wrench. You will get your turbocharger faster spool, lower EGT’s and better performance. .