Sinister Diesel
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Original price $309.39Original price $309.39 - Original price $309.39Original price $309.39Current price $237.99$237.99 - $237.99Current price $237.99
Sinister 2003-2007 Powerstroke 6.0L Titanium Exhaust Manifold Studs
Sinister DieselSinister 2003-2007 Powerstroke 6.0L Titanium Exhaust Manifold Studs
Original price $309.39Original price $309.39 - Original price $309.39Original price $309.39Current price $237.99$237.99 - $237.99Current price $237.99Save 23% -
Original price $389.99Original price $389.99 - Original price $389.99Original price $389.99Current price $299.99$299.99 - $299.99Current price $299.99
Sinister 2023+ Ford F250/350/450 6.7L Bed Step Delete - (Long Bed)
Sinister DieselSinister 2023+ Ford F250/350/450 6.7L Bed Step Delete - (Long Bed)
Original price $389.99Original price $389.99 - Original price $389.99Original price $389.99Current price $299.99$299.99 - $299.99Current price $299.99Save 23% -
Original price $389.99Original price $389.99 - Original price $389.99Original price $389.99Current price $299.99$299.99 - $299.99Current price $299.99
Sinister 2023+ Ford F250/350/450 6.7L Bed Step Delete - (Short Bed)
Sinister DieselSinister 2023+ Ford F250/350/450 6.7L Bed Step Delete - (Short Bed)
Original price $389.99Original price $389.99 - Original price $389.99Original price $389.99Current price $299.99$299.99 - $299.99Current price $299.99Save 23% -
Original price $981.49Original price $981.49 - Original price $981.49Original price $981.49Current price $754.99$754.99 - $754.99Current price $754.99
Sinister Diesel - 17-22 Ford Powerstroke F-250/F-350 Charge Pipe Kit
Sinister DieselSinister Diesel - 17-22 Ford Powerstroke F-250/F-350 Charge Pipe Kit
Original price $981.49Original price $981.49 - Original price $981.49Original price $981.49Current price $754.99$754.99 - $754.99Current price $754.99Sold out -
Original price $2,191.41Original price $2,191.41 - Original price $2,191.41Original price $2,191.41Current price $1,685.70$1,685.70 - $1,685.70Current price $1,685.70
Sinister Diesel 01-04 Duramax LB7 Heads Up Kit w/ ARP Head Studs
Sinister DieselThe set contains gaskets for the exhaust manifold, up pipe, upper and lower valve cover, along with valve cover grommets, valve seals, and turbo dr...
View full detailsOriginal price $2,191.41Original price $2,191.41 - Original price $2,191.41Original price $2,191.41Current price $1,685.70$1,685.70 - $1,685.70Current price $1,685.70Save 23% -
Original price $214.49Original price $214.49 - Original price $214.49Original price $214.49Current price $164.99$164.99 - $164.99Current price $164.99
Sinister Diesel 01-05 GM Duramax 6.6L (LB7/LLY) Radiator Pipe
Sinister DieselFactory coolant hoses are prone to abrasions and cracking over time that could lead to cooling system failures, but this 01-05 Duramax 6.6L radiato...
View full detailsOriginal price $214.49Original price $214.49 - Original price $214.49Original price $214.49Current price $164.99$164.99 - $164.99Current price $164.99Save 23% -
Original price $345.79Original price $345.79 - Original price $345.79Original price $345.79Current price $265.99$265.99 - $265.99Current price $265.99
Sinister Diesel 01-05 GM Duramax 6.6L LB7/LLY Welded Water Pump
Sinister DieselProper heat management from the cooling system is crucial on modified engines when you want trouble-free and reliable performance. The factory Dura...
View full detailsOriginal price $345.79Original price $345.79 - Original price $345.79Original price $345.79Current price $265.99$265.99 - $265.99Current price $265.99Save 23% -
Original price $967.19Original price $967.19 - Original price $967.19Original price $967.19Current price $743.99$743.99 - $743.99Current price $743.99
Sinister Diesel 01-07 Chevrolet/GMC Silverado/Sierra 2500/3500 OEM High Output Alternator
Sinister DieselSinister Diesel 01-07 Chevrolet/GMC Silverado/Sierra 2500/3500 OEM High Output Alternator
Original price $967.19Original price $967.19 - Original price $967.19Original price $967.19Current price $743.99$743.99 - $743.99Current price $743.99Save 23% -
Original price $1,091.99Original price $1,091.99 - Original price $1,091.99Original price $1,091.99Current price $839.99$839.99 - $839.99Current price $839.99
Sinister Diesel 01-07 Chevrolet/GMC Silverado/Sierra 2500/3500 OEM High Output Alternator
Sinister DieselSinister Diesel 01-07 Chevrolet/GMC Silverado/Sierra 2500/3500 OEM High Output Alternator
Original price $1,091.99Original price $1,091.99 - Original price $1,091.99Original price $1,091.99Current price $839.99$839.99 - $839.99Current price $839.99Save 23% -
Original price $157.29Original price $157.29 - Original price $157.29Original price $157.29Current price $120.99$120.99 - $120.99Current price $120.99
Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Driv. A)
Sinister DieselWhen 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 no...
View full detailsOriginal price $157.29Original price $157.29 - Original price $157.29Original price $157.29Current price $120.99$120.99 - $120.99Current price $120.99Save 23% -
Original price $157.29Original price $157.29 - Original price $157.29Original price $157.29Current price $120.99$120.99 - $120.99Current price $120.99
Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Driv. B)
Sinister DieselReplace your leaky or blown head gasket with this high-quality Sinister Diesel Duramax head gasket. It's a direct replacement for the OE head gaske...
View full detailsOriginal price $157.29Original price $157.29 - Original price $157.29Original price $157.29Current price $120.99$120.99 - $120.99Current price $120.99Save 23% -
Original price $157.29Original price $157.29 - Original price $157.29Original price $157.29Current price $120.99$120.99 - $120.99Current price $120.99
Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Driv. C)
Sinister DieselTrust 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 repla...
View full detailsOriginal price $157.29Original price $157.29 - Original price $157.29Original price $157.29Current price $120.99$120.99 - $120.99Current price $120.99Save 23% -
Original price $157.29Original price $157.29 - Original price $157.29Original price $157.29Current price $120.99$120.99 - $120.99Current price $120.99
Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Pass. A)
Sinister DieselSinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Pass. A)
Original price $157.29Original price $157.29 - Original price $157.29Original price $157.29Current price $120.99$120.99 - $120.99Current price $120.99Save 23% -
Original price $157.29Original price $157.29 - Original price $157.29Original price $157.29Current price $120.99$120.99 - $120.99Current price $120.99
Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Pass. B)
Sinister DieselReplace a leaky, blown head gasket on your Duramax diesel engine with this Sinister Diesel Duramax head gasket. Thanks to a multi-layer steel const...
View full detailsOriginal price $157.29Original price $157.29 - Original price $157.29Original price $157.29Current price $120.99$120.99 - $120.99Current price $120.99Save 23% -
Original price $157.29Original price $157.29 - Original price $157.29Original price $157.29Current price $120.99$120.99 - $120.99Current price $120.99
Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Pass. C)
Sinister DieselSwap out any leaking or blown head gasket in your Duramax engine using this Sinister Diesel Duramax head gasket. It works as a direct replacement f...
View full detailsOriginal price $157.29Original price $157.29 - Original price $157.29Original price $157.29Current price $120.99$120.99 - $120.99Current price $120.99Save 23% -
Original price $661.69Original price $661.69 - Original price $661.69Original price $661.69Current price $508.99$508.99 - $508.99Current price $508.99
Sinister Diesel 01-10 Chevy/GMC 2500/3500 Steering Center Link
Sinister DieselSinister 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 dri...
View full detailsOriginal price $661.69Original price $661.69 - Original price $661.69Original price $661.69Current price $508.99$508.99 - $508.99Current price $508.99Save 23% -
Original price $272.99Original price $272.99 - Original price $272.99Original price $272.99Current price $209.99$209.99 - $209.99Current price $209.99
Sinister Diesel 01-10 Chevy/GMC Duramax Coolant Filtration System
Sinister DieselAdd years of life to your diesel engine with this Coolant Filter Bypass System. Removing contaminates such as the casting sand and metal shavings m...
View full detailsOriginal price $272.99Original price $272.99 - Original price $272.99Original price $272.99Current price $209.99$209.99 - $209.99Current price $209.99Save 23% -
Original price $688.99Original price $688.99 - Original price $688.99Original price $688.99Current price $529.99$529.99 - $529.99Current price $529.99
Sinister Diesel 01-10 GM Duramax LB7/LLY/LBZ/LMM High Performance Motor Mounts
Sinister DieselThe Sinister Diesel High Performance Motor Mounts reduce drivetrain movement under hard acceleration, deceleration and cornering. They allow the mo...
View full detailsOriginal price $688.99Original price $688.99 - Original price $688.99Original price $688.99Current price $529.99$529.99 - $529.99Current price $529.99Save 23% -
Original price $129.99Original price $129.99 - Original price $129.99Original price $129.99Current price $99.99$99.99 - $99.99Current price $99.99
Sinister Diesel 01-15 Chevy Duramax CAT Filter Adapter
Sinister DieselIf 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. Inst...
View full detailsOriginal price $129.99Original price $129.99 - Original price $129.99Original price $129.99Current price $99.99$99.99 - $99.99Current price $99.99Save 23% -
Original price $129.99Original price $129.99 - Original price $129.99Original price $129.99Current price $99.99$99.99 - $99.99Current price $99.99
Sinister Diesel 01-16 GM Duramax 6.6L (Gray) CAT Fuel Filter Adapter
Sinister DieselSinister Diesel 01-16 GM Duramax 6.6L (Gray) CAT Fuel Filter Adapter
Original price $129.99Original price $129.99 - Original price $129.99Original price $129.99Current price $99.99$99.99 - $99.99Current price $99.99Save 23% -
Original price $100.09Original price $100.09 - Original price $100.09Original price $100.09Current price $76.99$76.99 - $76.99Current price $76.99
Sinister Diesel 01-16 GM Duramax 6.6L Coolant Reservoir (Degas) Cap
Sinister DieselThis new Coolant Reservoir (Degas) Cap functions like a factory cap, but features custom Sinister Diesel looks. The cap fits OEM or Sinister Diesel...
View full detailsOriginal price $100.09Original price $100.09 - Original price $100.09Original price $100.09Current price $76.99$76.99 - $76.99Current price $76.99Save 23% -
Original price $100.09Original price $100.09 - Original price $100.09Original price $100.09Current price $76.99$76.99 - $76.99Current price $76.99
Sinister Diesel 01-16 GM Duramax 6.6L Coolant Reservoir (Degas) Cap - Gray
Sinister DieselThis new Coolant Reservoir (Degas) Cap functions like a factory cap, but features custom Sinister Diesel looks. The cap fits OEM or Sinister Diesel...
View full detailsOriginal price $100.09Original price $100.09 - Original price $100.09Original price $100.09Current price $76.99$76.99 - $76.99Current price $76.99Save 23% -
Original price $661.69Original price $661.69 - Original price $661.69Original price $661.69Current price $508.99$508.99 - $508.99Current price $508.99
Sinister Diesel 03 Ford 6.0L EGR Cooler
Sinister DieselCARB EO # PENDING; CURRENTLY NOT FOR SALE IN THE STATE OF CALIFORNIAThis Part Fits: Year Make Model Submodel 2003 Ford Excursion Eddie Bauer 2...
View full detailsOriginal price $661.69Original price $661.69 - Original price $661.69Original price $661.69Current price $508.99$508.99 - $508.99Current price $508.99Save 23% -
Original price $595.39Original price $595.39 - Original price $595.39Original price $595.39Current price $457.99$457.99 - $457.99Current price $457.99
Sinister Diesel 03-04 Ford 6.0L Powerstroke Update Kit
Sinister DieselSinister Diesel 03-04 Ford 6.0L Powerstroke Update Kit
Original price $595.39Original price $595.39 - Original price $595.39Original price $595.39Current price $457.99$457.99 - $457.99Current price $457.99Save 23%
