Duramax

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  1. Sinister Diesel SD-FRCVLV - Motor Fuel Rail Plug for Duramax 6.6L 2005-12 , Cummins 6.7L 2007-12
    $45.00

    Features:

    • High quality at an affordable price
    • Expertly made from premium materials
    • Built to match your exact requirements

    Fits: Duramax 6.6L 2005-2012 LLY,LBZ,LMM,LML , Cummins 6.7L 2007-2012

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  2. Sinister EGR Race Kit for GM Duramax 6.6L LLY 2004.5-05
    Special Price $189.00 was $236.00
    A Superior EGR Race Conversion
    Nickel Plated Steel and CNC Machined Billet Aluminum
    Fully Pressure Tested at 700 HP
    Stylish Sinister Blue Powder Coat
    Important:
    Use of this part requires Race Tuning
    Fits:
    2004.5 - 2005 Chevy/GM 6.6L Duramax LLY Diesel Trucks

    Notice: This is a "Race Only" product used solely for competition. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use including recreational off-road use could be in violation of local, state and federal laws. Not for vehicles registered for use on the highway or street.

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  3. Sinister EGR Race Kit with High Flow Intake Elbow for Chevy/GM Duramax 6.6L LLY 2004.5-05
    Special Price $349.00 was $436.00
    A Superior EGR Race Conversion with Added Power
    Nickel Plated Steel and CNC Machined Billet Aluminum
    Fully TIG Welded and Pressure Tested at 700 HP
    Quicker Turbo Spool and Lower EGTs
    Stylish Sinister Blue Powder Coat
    Important:
    Use of this part requires Race Tuning
    Fits:
    2004.5 - 2005 Chevy/GM 6.6L Duramax LLY Diesel Trucks

    Notice: This is a "Race Only" product used solely for competition. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use including recreational off-road use could be in violation of local, state and federal laws. Not for vehicles registered for use on the highway or street.

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  4. Sinister Diesel Heads Up Kit with ARP Head Studs - Duramax 6.6L LLY 2004.5-05
    Special Price $1,095.00 was $1,314.00

    Engine Rebuild Kits Made to Last and Save You Money

    ARP 2000 Head Studs:
    Superior to Aircraft Quality; 220,000 PSI Heat Treatment
    Centerless Ground as Near to Perfect as Possible
    Post Heat-Treat Threadrolling for 20x Better Fatigue Strength
    Mahle Original Head Gaskets:
    Multi-layer Spring Steel Construction
    Stamped Beading and Polymer Coatings for a Solid Seal
    Kit Also Includes Gaskets For:
    Exhaust Manifold
    Up-pipe
    Upper and Lower Valve Covers

    Fitment:
    2004.5 - 2005 Chevy Silverado HD 6.6L Duramax LLY Diesel Trucks
    2004.5 - 2005 GMC Sierra HD 6.6L Duramax LLY Diesel Trucks
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  5. Sinister Diesel Complete Solution Kit with EGR Delete - Duramax 6.6L LLY 2004.5-05 Pickups
    Special Price $1,149.00 was $1,436.25

    Engine Rebuild Kits Made to Last and Save You Money

    Sinister EGT Delete Kit:*
    Highest Quality Materials and Fitment
    Stylish Sinister Blue Powder Coat and Logo Dress Your Engine
    Includes Premium Hardware
    Upgrade with an Intake Elbow or Up-pipe
    ARP 2000 Head Studs:
    Superior to Aircraft Quality; 220,000 PSI Heat Treatment
    Centerless Ground as Near to Perfect as Possible
    Post Heat-Treat Threadrolling for 20x Better Fatigue Strength
    Mahle Original Head Gaskets:
    Multi-layer Spring Steel Construction
    Stamped Beading and Polymer Coatings for a Solid Seal
    Also Includes Gaskets For the:
    Exhaust Manifold
    Up-pipe
    Upper and Lower Valve Covers

    Fitment:
    2004.5 - 2005 Chevy Silverado HD 6.6L Duramax LLY Diesel Pickup Trucks
    2004.5 - 2005 GMC Sierra HD 6.6L Duramax LLY Diesel Pickup Trucks
    * This EGR Delete Kit is NOT suitable for Chassis Cab trucks.
    Important:
    * Use of this EGR Delete Kit REQUIRES Delete Tuning.
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  6. Sinister Diesel Head Gaskets & ARP Head Stud Kit - Duramax 6.6L LB7/LLY 2001-05
    Special Price $785.00 was $791.00

    Engine Rebuild Kits Made to Last and Save You Money

    ARP 2000 Head Studs:
    Superior to Aircraft Quality; 220,000 PSI Heat Treatment
    Centerless Ground as Near to Perfect as Possible
    Post Heat-Treat Threadrolling for 20x Better Fatigue Strength
    Sinister Black Diamond Gaskets:
    Multi-layer Spring Steel Construction
    Adaptive Fluoroelastomer (FKM) Coating
    Sinister Lifetime Warranty
    Kit Also Includes:
    Exhaust Manifold to Head Gaskets
    Exhaust Manifold to Up-pipe Gaskets
    Up-pipe to Turbo Gaskets

    Fitment:
    2001 - 2004 Chevy Silverado HD 6.6L Duramax LB7 Diesel Trucks
    2001 - 2004 GMC Sierra HD 6.6L Duramax LB7 Diesel Trucks
    2004.5 - 2005 Chevy Silverado HD 6.6L Duramax LLY Diesel Trucks
    2004.5 - 2005 GMC Sierra HD 6.6L Duramax LLY Diesel Trucks
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  7. Sinister Diesel Head Studs & Gaskets Kit - Duramax 6.6: 2001-15
    Special Price $730.00 was $749.00

    Engine Rebuild Kits Made to Last and Save You Money

    ARP 2000 Head Studs:
    Superior to Aircraft Quality; 220,000 PSI Heat Treatment
    Centerless Ground as Near to Perfect as Possible
    Post Heat-Treat Threadrolling for 20x Better Fatigue Strength
    Sinister Black Diamond Gaskets:
    Multi-layer Spring Steel Construction
    Adaptive Fluoroelastomer (FKM) Coating
    Sinister Lifetime Warranty
    Also Includes:
    Exhaust Manifold to Head Gaskets
    Exhaust Manifold to Up-pipe Gaskets
    Up-pipe to Turbo gaskets

    Fitment:
    2001 - 2015 Chevy Silverado HD 6.6L Duramax Diesel Trucks
    2001 - 2015 GMC Sierra HD 6.6L Duramax Diesel Trucks
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  8. Sinister Diesel Cat Fuel Filter Adapter for GM Duramax 2001-2016
    $129.99

    Prolong the Life of Your Fuel System!

    Features:

    • Improved Filtration Efficiency
    • CNC Billet Aluminum Construction
    • Blue Anodized Finish
    • Covered by the Sinister Lifetime Warranty


    Kit Includes:

    • (1) Sinister Diesel CAT Fuel Filter Adapter
    • (1) Stand Off Space with hardware
    • (1) Ultra-fine 2 Micron CAT Fuel Filter
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  9. Sinister Diesel Complete Solution Kit with EGR Cooler - Duramax 6.6L LLY 2004.5-05 Pickups
    Special Price $1,374.00 was $1,686.25

    Engine Rebuild Kits Made to Last and Save You Money

    Sinister EGR Cooler:*
    Less Restrictive Than Stock and Longer Lasting
    Simple Drop-in Replacement; No Modifications
    ARP 2000 Head Studs:
    Superior to Aircraft Quality; 220,000 PSI Heat Treatment
    Centerless Ground as Near to Perfect as Possible
    Post Heat-Treat Threadrolling for 20x Better Fatigue Strength
    Mahle Original Head Gaskets:
    Multi-layer Spring Steel Construction
    Stamped Beading and Polymer Coatings for a Solid Seal

    Fitment:
    2004.5 - 2005 Chevy Silverado HD 6.6L Duramax LLY Diesel Trucks
    2004.5 - 2005 GMC Sierra HD 6.6L Duramax LLY Diesel Trucks
    * This EGR Cooler is NOT suitable for Chassis Cab trucks.
    Important:
    This price includes a $125 CORE CHARGE. If you would like to arrange to send the EGR Core first and avoid this charge, please call us at 855-432-4733 before placing your order.
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  10. High Flow Intake Elbow - Sinister Diesel - Duramax 6.6L LLY 2004.5-05
    Special Price $249.00 was $332.00

    Out Perform the Competition

    Features:
    Sinister Blue High Gloss Powder Coat
    Pressure Tested Mandrel Bent Tubing & TG Welds
    Includes 1/8 NPT Fitting for Boost Sensor
    Lifetime Warranty
    Made in the USA
    Fits:
    2004.5 - 2005 Chevy/GMC Duramax LLY 6.6L Diesel Trucks
    NOTE:
    Requires removal of EGR System and Race Tuning
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  11. Sinister Diesel Passenger Side Up-Pipe for Duramax 6.6L 2001-16 (Ceramic Coated)
    Special Price $359.99 was $386.66

     Impeccable Design, Unsurpassed Quality, and Great Value

    Features:

    • Designed to boost your vehicle's performance
    • Stainless steel tubes for longevity
    • Mandrel bent tubing for maximum flow
    • Ensures unrivaled durability
    • Provides reliable service for years ahead
    • Fits: GM Duramax 2001-2016 6.6L

    Specifications:

    • Emissions: EPA compliant
    • Series: Race Series
    • Position: Driver Side
    • Material: Stainless Steel
    • Finish: Ceramic Coated
    This is a "RACE ONLY" product used solely for competition. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use including recreational off-road use could be in violation of local, state and federal laws. Not for vehicles registered for use on the highway or street.
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  12. Sinister Diesel Reman Injector for Duramax 6.6L LLY 2004.5-05
    $294.77

    Sinister Quality, OEM Price

    Features:
    Remanufactured OEM part, not similar or aftermarket substitute
    Affordable alternative to a new OEM product
    Meets or exceeds OE quality
    Ensures reliable and lasting operation
    Constructed to provide a perfect fit
    100% tested to ensure OE-quality or better performance
    Backed by a 12 months/15,000 mile warranty
    Fits:
    2004.5-2005 Chevy/GMC Duramax 6.6L LLY Diesels
    Refundable Core Charge $175:
    If you choose "Send In Core First", items will be shipped once core is received.
    If you pay the core charge, items will be shipped normally.
    With either method we will provide you with a shipping label (via email).
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