Sinister Diesel - SD-WWP-01Welded Water Pump for 2001-2005 Duramax LB7 / LLY.Proper heat management from the cooling system is crucial on modified engines when you want trouble-free and reliable...

Sinister Diesel - SD-WWP-06Welded Water Pump for 2006-2016 Duramax LBZ / LMM / LML.Proper heat management from the cooling system is crucial on modified engines when you want trouble-free and...

Sinister Diesel - SD-REOF-6.0

Sinister Diesel - SD-MCC-L5P

Sinister Diesel - SD-IH-L5P-20

Sinister Diesel - SD-OBHD-6.7P-11

Sinister Diesel - SD-INTEL-6.0-HEXSinister Diesel (Hexagon) Intake Elbow for 2003-2007 6.0L Powerstroke.

Sinister Diesel - SD-RADTUBE-6.7C-19Sinister Diesel Radiator Pipe for 2019-2020 Dodge Cummins 6.7L (Standard Output Engine).

Sinister Diesel - SD-REOFCF-6.0Sinister Diesel Oil Filter & Coolant Filtration System for 2003-2007 Ford Powerstroke 6.0L.

Sinister Diesel - SD-RADTUBE-6.7C-19-HOSinister Diesel Radiator Pipe for 2019-2020 Dodge Cummins 6.7L (High Output Engine).

Sinister Diesel - SD-U4M-01-204" Inlet Universal Stainless Steel Muffler .So your modified diesel truck is putting out the rich sound you want, except not where you want it: the cab. With the...

Sinister Diesel - SD-U5M-01-205" Inlet Universal Sainless Steel Muffler .So your modified diesel truck is putting out the rich sound you want, except not where you want it: the cab. With the Sinister...