Sinister 2003-2007 Powerstroke 6.0L Titanium Exhaust Manifold Studs - SD-6.0TEMS-B

Sinister 2003-2007 Powerstroke 6.0L Titanium Exhaust Manifold Studs

Sinister Diesel 01-04 Duramax LB7 Heads Up Kit w/ ARP Head Studs - SD-HU-LB7

The set contains gaskets for the exhaust manifold, up pipe, upper and lower valve cover, along with valve cover grommets, valve seals, and turbo drain seals., Each Sinister Diesel Heads Up Kit for...

Sinister Diesel 01-05 GM Duramax 6.6L (LB7/LLY) Radiator Pipe - SD-RADTUBE-DMAX-01

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 pipe kit is the perfect way to ensure that your...

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 01-10 Chevy Black Diamond Head Gasket for Duramax (Driv. A) - SD-BD583

When the stock head gaskets in your truck are blown or leaky, a Sinister Diesel Duramax head gasket is the perfect way to get everything running normal again. You'll find these steel head gaskets are...

Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Driv. B) - SD-BD584

Replace your leaky or blown head gasket with this high-quality Sinister Diesel Duramax head gasket. It's a direct replacement for the OE head gasket, but features an extra-durable design which...

Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Driv. C) - SD-BD585

Trust this Sinister Diesel Duramax head gasket to replace any blown or leaking OE head gasket on your GM Duramax engine. It works as a direct replacement for all Duramax LB7, LLY, LBZ, and LMM 2001...

Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Pass. A) - SD-BD580

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 steel design ensures the kind of seal...

Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Pass. B) - SD-BD581

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, this gasket will wIt'stand the extreme...

Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Pass. C) - SD-BD582

Swap out any leaking or blown head gasket in your Duramax engine using this Sinister Diesel Duramax head gasket. It works as a direct replacement for OE head gaskets in 2001 to 2010 GM Duramax LB7,...

Sinister Diesel 01-10 Chevy/GMC 2500/3500 Steering Center Link - SD-CLNK

Sinister Diesel solid center link for the 2001-2010 GM full size truck. Eliminates all toe in and out when racing, pulling or just for everyday driving. Added rigidity and input from the steering...

Sinister Diesel 01-10 Chevy/GMC Duramax Coolant Filtration System - SD-COOLFIL-6.6-01-W

Add years of life to your diesel engine with this Coolant Filter Bypass System. Removing contaminates such as the casting sand and metal shavings means your engine's water pump, EGR cooler and oil...