Sinister 2023+ Ford F250/350/450 6.7L Bed Step Delete - (Long Bed) - SD-BSD-6.7P-23-LB

Sinister 2023+ Ford F250/350/450 6.7L Bed Step Delete - (Long Bed)

Sinister Diesel 01-05 GM Duramax 6.6L LB7/LLY Welded Water Pump - SD-WWP-01

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 is known to slip under load and can...

Sinister Diesel 01-15 Chevy Duramax CAT Filter Adapter - SD-CAT-DMAX

If you want to ensure maximum protection for your GM diesel engine's fuel system, then be sure to check out this upgraded Duramax fuel filter. Instead of a the factory fuel filter, the Sinister...

Sinister Diesel 03-07 Dodge 5.9L Cummins Coolant Filtration System w/ Wix Filter - SD-COOLFIL-5.9-03-W

The 5.9L Cummins Coolant Filter Kit from Sinister Diesel is designed to extend the service life of your 2003-2007 Dodge 2500 or 3500 diesel by removing contaminants that can damage your engine.Even...

Sinister Diesel 03-07 Dodge Cummins 5.9L Intake Elbow - Blue - SD-INTEL-5.9-03

This product is finished in a Sinister Blue high gloss powder coat for extra protection and a clean and stylish appearanceThis Part Fits:YearMakeModelSubmodel2003,2005-2007DodgeRam...

Sinister Diesel 03-07 Dodge Ram Cummins 5.9L Cold Air Intake - SD-CAI-5.9C-04

Patent Pending, CARB EO # PENDING; CURRENTLY NOT FOR SALE IN THE STATE OF CALIFORNIA, Note: This part is in high demand and may require a build time of 1 to 2 weeks. If you need this part sooner,...

Sinister Diesel 03-07 Ford 6.0L 58v FICM - SD-FICM-58

Help your truck to run better using this 03-07 Powerstroke 58v FICM from Sinister Diesel. This fuel injection control module or FICM has been designed by Sinister Manufacturing, Sinister Diesel's...

Sinister Diesel 03-07 Ford 6.0L Billet Blue Cap Kit - SD-BCK-6.0

Add some durability and style to your truck using these Sinister Diesel 03-07 Powerstroke billet cap! Unlike the OEM oil and filter caps, these won't crack from overtightening or just the passing of...

Sinister Diesel 03-07 Ford 6.0L Ford Powerstroke Coolant Filtration System w/ Wix Filter - SD-COOLFIL-6.0-W

Check out our new revision of the 6.0 Powerstroke Coolant Filtration System, It doesn't matter if your 6.0L Ford Powerstroke engine is brand new or has had a long service life, there are contaminants...

Sinister Diesel 03-07 Ford 6.0L Fuel Filter Cap - SD-FFC-6.0

A cracked fuel filter cap can lead to air in the fuel system. That can result in hard starting or potential fuel injector issues. A cracked fuel filter cap can also cause a fuel leak, which is...

Sinister Diesel 03-07 Ford 6.0L Intake Elbow (w/o Bungs) - SD-INTEL-6.0

This product is finished in a Sinister Blue high gloss powder coat for extra protection and a clean and stylish appearanceThis Part Fits:YearMakeModelSubmodel2004-2005FordE-350 Club...

Sinister Diesel 03-07 Ford 6.0L Oil Filter & Coolant Filtration System - SD-EOF-CF-6.0

This product has a blue anodized finish for extra protection and a clean and stylish appearance;Clearance issues with Banks Power Hot Side Charge Pipe;Will NOT work with Extended Life Filter.This...