Sinister 2003-2007 Powerstroke 6.0L Titanium Exhaust Manifold Studs
$309.39
$237.99
SINSD-6.0TEMS-B
Engine Components
Head Stud & Bolt Kits
Sinister 2003-2007 Powerstroke 6.0L Titanium Exhaust Manifold Studs
Sinister 2023+ Ford F250/350/450 6.7L Bed Step Delete - (Long Bed)
$389.99
$299.99
SINSD-BSD-6.7P-23-LB
Sinister 2023+ Ford F250/350/450 6.7L Bed Step Delete - (Long Bed)
Sinister 2023+ Ford F250/350/450 6.7L Bed Step Delete - (Short Bed)
$389.99
$299.99
SINSD-BSD-6.7P-23
Sinister 2023+ Ford F250/350/450 6.7L Bed Step Delete - (Short Bed)
Sinister Diesel - 17-22 Ford Powerstroke F-250/F-350 Charge Pipe Kit
$981.49
$754.99
SINSDG-6.7PIPK17-01-20
Forced Induction
Intercooler Pipe Kits
Sinister Diesel - 17-22 Ford Powerstroke F-250/F-350 Charge Pipe Kit
Sinister Diesel 01-04 Duramax LB7 Heads Up Kit w/ ARP Head Studs
$2,191.41
$1,685.70
SINSD-HU-LB7
Engine Components
Misc. Internals
The set contains gaskets for the exhaust manifold, up pipe, upper and lower valve cover, along with valve cover grommets, valve seals, and turbo...
Sinister Diesel 01-05 GM Duramax 6.6L (LB7/LLY) Radiator Pipe
$214.49
$164.99
SINSD-RADTUBE-DMAX-01
Forced Induction
Intercooler Pipe Kits
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...
Sinister Diesel 01-05 GM Duramax 6.6L LB7/LLY Welded Water Pump
$345.79
$265.99
SINSD-WWP-01
Cooling
Water Pumps
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...
Sinister Diesel 01-07 Chevrolet/GMC Silverado/Sierra 2500/3500 OEM High Output Alternator
$967.19
$743.99
SINSD-ALT-6.6-01-250
Alternators
Batteries, Starting & Charging
Sinister Diesel 01-07 Chevrolet/GMC Silverado/Sierra 2500/3500 OEM High Output Alternator
Sinister Diesel 01-07 Chevrolet/GMC Silverado/Sierra 2500/3500 OEM High Output Alternator
$1,091.99
$839.99
SINSD-ALT-6.6-01-320
Alternators
Batteries, Starting & Charging
Sinister Diesel 01-07 Chevrolet/GMC Silverado/Sierra 2500/3500 OEM High Output Alternator
Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Driv. A)
$157.29
$120.99
SINSD-BD583
Engine Components
Head Gaskets
When the stock head gaskets in your truck are blown or leaky, a Sinister Diesel Duramax head gasket is the perfect way to get...
Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Driv. B)
$157.29
$120.99
SINSD-BD584
Engine Components
Head Gaskets
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,...
Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Driv. C)
$157.29
$120.99
SINSD-BD585
Engine Components
Head Gaskets
Trust this Sinister Diesel Duramax head gasket to replace any blown or leaking OE head gasket on your GM Duramax engine. It works as...
