Sinister Diesel - SD-LMLCF11Coolant Filtration System; with WIX; for 2011-2016 GM Duramax 6.6L LML.Add years of life to your diesel engine with this Coolant Filter Bypass System. Removing...

Sinister Diesel - SD-INTEL-5.9-94Intake Elbow for 1994-1998 Dodge Cummins 5.9L 12VCARB EO # D-721-7

Sinister Diesel - SD-SP-DP-6.0-05Stand Pipe & Dummy Plug Kit for 2004-2007 Ford Powerstroke 6.0L.This kit comes in a set of two each, Oil Stand Pipes and Dummy Plugs for the Ford 6.0 Powerstroke...

Sinister Diesel - SD-UPFS-01-20Pre-Filter Sock for Cold Air Intake.As we all know, when it comes to Diesel trucks, More Air + More Fuel = More Power! But if your air filter gets clogged with dirt and...

Sinister Diesel - SD-MCC-FORD-99Brake Master Cylinder Cap for 1999-2016 Ford Powerstroke.Brakes are easy to overlook in diesel performance until yours aren't working properly. OEM plastic factory...

Sinister Diesel - SD-INTEL-7.3Intake Elbow W/O Boots for 1999.5-2003 Ford Powerstroke 7.3L.The Sinister Diesel 7.3L Power Stroke intake manifold serves as an upgrade to your performance and...

Sinister Diesel - SD-RADTUBE-DMAX-01Radiator Pipe for 2001-2005 GM Duramax 6.6L (LB7/LLY).Factory coolant hoses are prone to abrasions and cracking over time that could lead to cooling system...

Sinister Diesel - SD-RADTUBE-DMAX-11Radiator Pipe for 2011-2016 GM Duramax 6.6L LML.Factory coolant hoses are prone to abrasions and cracking over time that could lead to cooling system failures, but...

Sinister Diesel - SD-RADSUP-6.0Secure your radiator and add some good looks under the hood with our Sinister Diesel Radiator Support Brackets for the 2003-2007 Ford Powerstroke 6.0L. They're laser...

Sinister Diesel - SD-OC-6.0Oil Cooler for 2003-2007 Ford Powerstroke 6.0L.It's common knowledge that the oil cooler on the 6.0L PowerStroke is prone to failure which could leave you with costly...

Sinister Diesel - SD-OFC-FORD-03Oil Filter Cap for 2003-2010 Ford Powerstroke 6.0L/6.4L.A cracked fuel filter cap can lead to air in the fuel system. That can result in hard starting or potential...

Sinister Diesel - SD-INTEL-7.3-BKIntake Elbow with Boots for 1999.5-2003 Ford Powerstroke 7.3L.The Sinister Diesel 7.3L Power Stroke intake manifold serves as an upgrade to your performance and...