Sinister 2003-2007 Powerstroke 6.0L Titanium Exhaust Manifold Studs - SD-6.0TEMS-B MSRP: $309.39 Was: Now: $230.41 Add to Cart
Sinister 2023+ Ford F250/350/450 6.7L Bed Step Delete - (Long Bed) - SD-BSD-6.7P-23-LB MSRP: $389.99 Was: Now: $290.43
Sinister 2023+ Ford F250/350/450 6.7L Bed Step Delete - (Short Bed) - SD-BSD-6.7P-23 MSRP: $389.99 Was: Now: $290.43
Sinister Diesel - 17-22 Ford Powerstroke F-250/F-350 Charge Pipe Kit - SDG-6.7PIPK17-01-20 MSRP: $981.49 Was: Now: $730.94 Add to Cart
Sinister Diesel 01-04 Duramax LB7 Heads Up Kit w/ ARP Head Studs - SD-HU-LB7 MSRP: $2,191.41 Was: Now: $1,632.02 Add to Cart
Sinister Diesel 01-05 GM Duramax 6.6L (LB7/LLY) Radiator Pipe - SD-RADTUBE-DMAX-01 MSRP: $214.49 Was: Now: $159.73 Add to Cart
Sinister Diesel 01-05 GM Duramax 6.6L LB7/LLY Welded Water Pump - SD-WWP-01 MSRP: $345.79 Was: Now: $257.52 Add to Cart
Sinister Diesel 01-07 Chevrolet/GMC Silverado/Sierra 2500/3500 OEM High Output Alternator - SD-ALT-6.6-01-250 MSRP: $967.19 Was: Now: $720.29 Add to Cart
Sinister Diesel 01-07 Chevrolet/GMC Silverado/Sierra 2500/3500 OEM High Output Alternator - SD-ALT-6.6-01-320 MSRP: $1,091.99 Was: Now: $813.23 Add to Cart
Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Driv. A) - SD-BD583 MSRP: $157.29 Was: Now: $117.13 Add to Cart
Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Driv. B) - SD-BD584 MSRP: $157.29 Was: Now: $117.13 Add to Cart
Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Driv. C) - SD-BD585 MSRP: $157.29 Was: Now: $117.13 Add to Cart
Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Pass. A) - SD-BD580 MSRP: $157.29 Was: Now: $117.13 Add to Cart
Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Pass. B) - SD-BD581 MSRP: $157.29 Was: Now: $117.13 Add to Cart
Sinister Diesel 01-10 Chevy Black Diamond Head Gasket for Duramax (Pass. C) - SD-BD582 MSRP: $157.29 Was: Now: $117.13 Add to Cart
Sinister Diesel 01-10 Chevy/GMC 2500/3500 Steering Center Link - SD-CLNK MSRP: $661.69 Was: Now: $492.78 Add to Cart
Sinister Diesel 01-10 Chevy/GMC Duramax Coolant Filtration System - SD-COOLFIL-6.6-01-W MSRP: $272.99 Was: Now: $203.30 Add to Cart
Sinister Diesel 01-10 GM Duramax LB7/LLY/LBZ/LMM High Performance Motor Mounts - SD-MM-DMAX MSRP: $688.99 Was: Now: $513.11 Add to Cart
Sinister Diesel 01-15 Chevy Duramax CAT Filter Adapter - SD-CAT-DMAX MSRP: $129.99 Was: Now: $96.80 Add to Cart
Sinister Diesel 01-16 GM Duramax 6.6L (Gray) CAT Fuel Filter Adapter - SDG-CAT-DMAX MSRP: $129.99 Was: Now: $96.80 Add to Cart
Sinister Diesel 01-16 GM Duramax 6.6L Coolant Reservoir (Degas) Cap - Gray - SD-6.6DC01-GRY MSRP: $100.09 Was: Now: $74.54 Add to Cart
Sinister Diesel 01-16 GM Duramax 6.6L Coolant Reservoir (Degas) Cap - SD-DC-DMAX-01 MSRP: $100.09 Was: Now: $74.54 Add to Cart
Sinister Diesel 03-04 Ford 6.0L Powerstroke Update Kit - SD-6.0-UK-03 MSRP: $595.39 Was: Now: $443.40 Add to Cart
Sinister 2003-2007 Powerstroke 6.0L Titanium Exhaust Manifold Studs - SD-6.0TEMS-B Sinister 2003-2007 Powerstroke 6.0L Titanium Exhaust Manifold Studs MSRP: $309.39 Was: Now: $230.41 Add to Cart
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) MSRP: $389.99 Was: Now: $290.43
Sinister 2023+ Ford F250/350/450 6.7L Bed Step Delete - (Short Bed) - SD-BSD-6.7P-23 Sinister 2023+ Ford F250/350/450 6.7L Bed Step Delete - (Short Bed) MSRP: $389.99 Was: Now: $290.43
Sinister Diesel - 17-22 Ford Powerstroke F-250/F-350 Charge Pipe Kit - SDG-6.7PIPK17-01-20 The Sinister Diesel Charge Pipe Kit for the Powerstroke 6.7L replaces the stock, restrictive piping that connects the turbocharger to your intercooler. This upgraded pipe is larger in diameter and... MSRP: $981.49 Was: Now: $730.94 Add to Cart
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... MSRP: $2,191.41 Was: Now: $1,632.02 Add to Cart
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... MSRP: $214.49 Was: Now: $159.73 Add to Cart
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... MSRP: $345.79 Was: Now: $257.52 Add to Cart
Sinister Diesel 01-07 Chevrolet/GMC Silverado/Sierra 2500/3500 OEM High Output Alternator - SD-ALT-6.6-01-250 Sinister Diesel 250 Amp OEM alternators are trusted by many Diesel repair shops and stores to be the fix all solution for the GM Duramax 6.6L alternator failures which may cause electronics failures... MSRP: $967.19 Was: Now: $720.29 Add to Cart
Sinister Diesel 01-07 Chevrolet/GMC Silverado/Sierra 2500/3500 OEM High Output Alternator - SD-ALT-6.6-01-320 Sinister Diesel 320 Amp OEM alternators are trusted by many Diesel repair shops and stores to be the fix all solution for the GM Duramax 6.6L alternator failures which may cause electronics failures... MSRP: $1,091.99 Was: Now: $813.23 Add to Cart
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... MSRP: $157.29 Was: Now: $117.13 Add to Cart
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... MSRP: $157.29 Was: Now: $117.13 Add to Cart
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... MSRP: $157.29 Was: Now: $117.13 Add to Cart
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... MSRP: $157.29 Was: Now: $117.13 Add to Cart
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... MSRP: $157.29 Was: Now: $117.13 Add to Cart
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,... MSRP: $157.29 Was: Now: $117.13 Add to Cart
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... MSRP: $661.69 Was: Now: $492.78 Add to Cart
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... MSRP: $272.99 Was: Now: $203.30 Add to Cart
Sinister Diesel 01-10 GM Duramax LB7/LLY/LBZ/LMM High Performance Motor Mounts - SD-MM-DMAX The Sinister Diesel High Performance Motor Mounts reduce drivetrain movement under hard acceleration, deceleration and cornering. They allow the most efficient transmission of all available power to... MSRP: $688.99 Was: Now: $513.11 Add to Cart
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... MSRP: $129.99 Was: Now: $96.80 Add to Cart
Sinister Diesel 01-16 GM Duramax 6.6L (Gray) CAT Fuel Filter Adapter - SDG-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... MSRP: $129.99 Was: Now: $96.80 Add to Cart
Sinister Diesel 01-16 GM Duramax 6.6L Coolant Reservoir (Degas) Cap - Gray - SD-6.6DC01-GRY This new Coolant Reservoir (Degas) Cap functions like a factory cap, but features custom Sinister Diesel looks. The cap fits OEM or Sinister Diesel Coolant Reservoir for the 2001-2016 GM Duramax. It... MSRP: $100.09 Was: Now: $74.54 Add to Cart
Sinister Diesel 01-16 GM Duramax 6.6L Coolant Reservoir (Degas) Cap - SD-DC-DMAX-01 This new Coolant Reservoir (Degas) Cap functions like a factory cap, but features custom Sinister Diesel looks. The cap fits OEM or Sinister Diesel Coolant Reservoir for the 2001-2016 GM Duramax. It... MSRP: $100.09 Was: Now: $74.54 Add to Cart
Sinister Diesel 03 Ford 6.0L EGR Cooler - SD-EGRC-6.0-03 CARB EO # PENDING; CURRENTLY NOT FOR SALE IN THE STATE OF CALIFORNIAThis Part Fits:YearMakeModelSubmodel2003FordExcursionEddie Bauer2003FordExcursionLimited2003FordExcursionXLT2003FordF-250 Super... MSRP: Was: Now: $663.90 Add to Cart
Sinister Diesel 03-04 Ford 6.0L Powerstroke Update Kit - SD-6.0-UK-03 We have complied all of the OEM Ford parts that have been updated since the release of the late 2004 Powerstrokes to 2007. If your turbo is coming out of the truck, most of these parts will be easily... MSRP: $595.39 Was: Now: $443.40 Add to Cart