Factory coolant hoses are prone to abrasions and cracking over time that could lead to cooling system failures, but this 01-05 Duramax 6.6L radiator...
Proper heat management from the cooling system is crucial on modified engines when you want trouble-free and reliable performance. The factory Duramax water pump...
If your diesel truck's head gaskets are either blown or leaking, replace them with this high-quality Sinister Diesel Duramax head gasket. A heavy-duty stainless...
Replace a leaky, blown head gasket on your Duramax diesel engine with this Sinister Diesel Duramax head gasket. Thanks to a multi-layer steel construction,...
50 State Legal; CARB EO# D-721-6 valid for 2005-2007 Ford 6.0 diesel Sinister Diesel Intake Elbow for Ford Powerstroke 2003-2007 6.0L This product is...
Patent Pending Sinister Diesel Cold Air Intake for 2003-2007 Ford Powerstroke 6.0L From a technical standpoint, aluminum will conduct heat a little better because...
50 State Legal; CARB OE#D-721-5 Sinister Diesel Cold Side Charge Pipes for Ford Powerstroke 2003-2007 6.0L This product has a Sinister Blue High Gloss...
50 State Legal; CARB EO#D-721-5 Sinister Diesel Intercooler Charge Pipe Kit for Ford Powerstroke 2003-2007 6.0L This product has a Sinister Blue High Gloss...
The Sinister Diesel Charge Pipe Kit with the Intake Elbow for the Powerstroke 6.0 includes the intercooler pipe that connects the intercooler to the...
CARB EO # PENDING; CURRENTLY NOT FOR SALE IN THE STATE OF CALIFORNIA 2003-2007 Ford F-250;F-350 6.0L Fitment: Ford F-250 Super Duty Harley-Davidson Edition...
CARB EO # PENDING; CURRENTLY NOT FOR SALE IN THE STATE OF CALIFORNIA 2003-2007 Ford F-250;F-350 6.0L Fitment: Ford F-250 Super Duty Harley-Davidson Edition...
The Sinister Diesel Thermostat Housing is a drop-in replacement for the OEM housing, with several advantages. It's anodized billet aluminum construction resists corrosion that...
The Sinister Diesel Thermostat Housing is a drop-in replacement for the OEM housing, with several advantages. It's anodized billet aluminum construction resists corrosion that...
The Sinister Diesel intake elbow for the 5.9L Cummins replaces the restrictive stock piping on your for the 2003-2007 Dodge Truck with larger diameter...
Patent Pending, Now available for sale in California!, CARB EO# D-721-4 Sinister Diesel Blue Spring Kit with Adjustable Billet Spring Housing for 2003-2007 Ford...
Now available for sale in California!, CARB EO# D-721-4 Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L 2003-2007...
Not for sale in California, The new Sinister Diesel Hexagon 6.0 Intake Elbow for replaces the restrictive stock piping on your 2003-2007 Ford F-250,...
Introducing the new Sinister Diesel Intercooler for the 2003-2007 Ford Powerstroke 6.0. This unit is 100% Made in America and no shortcuts are taken...