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Spec D

Built for your Spec D platform, this collection offers a range of high-quality aftermarket parts and upgrades designed to enhance your vehicle’s performance and reliability. Whether you’re looking to improve power delivery, throttle response, or overall durability, these components are engineered to meet the demands of serious enthusiasts.

Inside this category, you’ll find everything from performance engine parts to supporting upgrades that help optimize your build. Each product is selected with fitment and function in mind, ensuring compatibility and maximum impact on your Spec D setup.

  • Engine internals for strength and reliability
  • Performance upgrades for power and response
  • Supporting mods to enhance overall drivability
  • Durable components built for long-term use

Shop Spec D aftermarket upgrades for your vehicle at FastHemis.

SELECT YOUR VEHICLE

531 Results

Spec D LED Tail Lights (Red, Version 2): Dodge Ram 2002 - 2005
Spec D LED Tail Lights (Red, Version 2): Dodge Ram 2002 - 2005

Spec D LED Tail Lights (Red, Version 2): Dodge Ram 2002 - 2005

Spec D

Regular price $155.00 $115.00 26% off

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Spec D LED Tail Lights (Red/Smoke): Ram 1500 2019 - 2024
Spec D LED Tail Lights (Red/Smoke): Ram 1500 2019 - 2024
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Spec D LED Tail Lights (Red/Smoke): Ram 1500 2019 - 2024

Spec D

Regular price $639.00 $473.00 26% off

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Spec D LED Tail Lights (Smoke w/ White LED Bar): Dodge Ram 2009 - 2018 (LT-RAM09GLED-G2-TM)
Spec D LED Tail Lights (Smoke w/ White LED Bar): Dodge Ram 2009 - 2018 (LT-RAM09GLED-G2-TM)

Spec D LED Tail Lights (Smoke w/ White LED Bar): Dodge Ram 2009 - 2018 (LT-RAM09GLED-G2-TM)

Spec D

Regular price $259.00 $192.00 26% off

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Spec D LED Tail Lights (Smoke w/ White LED Bar): Dodge Ram 2009 - 2018 (LT-RAM09GLED-RS)
Spec D LED Tail Lights (Smoke w/ White LED Bar): Dodge Ram 2009 - 2018 (LT-RAM09GLED-RS)
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Spec D LED Tail Lights (Smoke w/ White LED Bar): Dodge Ram 2009 - 2018 (LT-RAM09GLED-RS)

Spec D

Regular price $297.00 $220.00 26% off

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Spec D LED Tail Lights (Smoke): Dodge Charger 2006 - 2010
Spec D LED Tail Lights (Smoke): Dodge Charger 2006 - 2010

Spec D LED Tail Lights (Smoke): Dodge Charger 2006 - 2010

Spec D

Regular price $257.00 $190.00 26% off

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Spec D LED Tail Lights (Smoke): Dodge Magnum 2005 - 2008
Spec D LED Tail Lights (Smoke): Dodge Magnum 2005 - 2008
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Spec D LED Tail Lights (Smoke): Dodge Magnum 2005 - 2008

Spec D

Regular price $162.00 $143.00 12% off

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Spec D LED Tail Lights (Smoke): Dodge Ram 2007 - 2009
Spec D LED Tail Lights (Smoke): Dodge Ram 2007 - 2009
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Spec D LED Tail Lights (Smoke): Dodge Ram 2007 - 2009

Spec D

Regular price $153.00 $113.00 26% off

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Spec D LED Tail Lights (Smoke): Dodge Ram 2009 - 2018
Spec D LED Tail Lights (Smoke): Dodge Ram 2009 - 2018
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Spec D LED Tail Lights (Smoke): Dodge Ram 2009 - 2018

Spec D

Regular price $224.00 $166.00 26% off

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Spec D LED Tail Lights (Smoke, G2): Dodge Ram 2007 - 2009
Spec D LED Tail Lights (Smoke, G2): Dodge Ram 2007 - 2009
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Spec D LED Tail Lights (Smoke, G2): Dodge Ram 2007 - 2009

Spec D

Regular price $228.00 $169.00 26% off

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Spec D LED Tail Lights (Smoke, Red LED w/ Sequential Turn Signal): Ram 2013 - 2018
Spec D LED Tail Lights (Smoke, Red LED w/ Sequential Turn Signal): Ram 2013 - 2018

Spec D LED Tail Lights (Smoke, Red LED w/ Sequential Turn Signal): Ram 2013 - 2018

Spec D
5.0 (1)

Regular price $379.00 $281.00 26% off

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Spec D LED Tail Lights (Smoke, Version 2): Dodge Ram 2002 - 2006
Spec D LED Tail Lights (Smoke, Version 2): Dodge Ram 2002 - 2006

Spec D LED Tail Lights (Smoke, Version 2): Dodge Ram 2002 - 2006

Spec D

Regular price $155.00 $115.00 26% off

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Spec D LED Tail Lights (Smoke, White LED w/ Sequential Turn Signal): Ram 2013 - 2018
Spec D LED Tail Lights (Smoke, White LED w/ Sequential Turn Signal): Ram 2013 - 2018
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Spec D LED Tail Lights (Smoke, White LED w/ Sequential Turn Signal): Ram 2013 - 2018

Spec D

Regular price $271.00 $201.00 26% off

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Spec D LED Third Brake Light (Black): Dodge Ram 2002 - 2008

Spec D LED Third Brake Light (Black): Dodge Ram 2002 - 2008

Spec D

Regular price $105.00 $75.00 29% off

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Spec D LED Third Brake Light (Chrome): Dodge Ram 1994 - 2001
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Spec D LED Third Brake Light (Chrome): Dodge Ram 1994 - 2001

Spec D

Regular price $105.00 $75.00 29% off

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Spec D LED Third Brake Light (Chrome): Dodge Ram 2002 - 2008
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Spec D LED Third Brake Light (Chrome): Dodge Ram 2002 - 2008

Spec D

Regular price $105.00 $75.00 29% off

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Spec D LED Third Brake Light (Chrome): Dodge Ram 2002 - 2008

Spec D LED Third Brake Light (Chrome): Dodge Ram 2002 - 2008

Spec D

Regular price $105.00 $75.00 29% off

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Spec D LED Third Brake Light (Chrome): Dodge Ram 2002 - 2008
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Spec D LED Third Brake Light (Chrome): Dodge Ram 2002 - 2008 (LT-RAM02RBCLED-KS)

Spec D

Regular price $80.00 $59.00 26% off

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Spec D LED Third Brake Light (Chrome): Dodge Ram 2009 - 2013
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Spec D LED Third Brake Light (Chrome): Dodge Ram 2009 - 2013

Spec D

Regular price $48.00 $38.00 21% off

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Spec D LED Third Brake Light (Chrome): Ram 2014 - 2018
Spec D LED Third Brake Light (Chrome): Ram 2014 - 2018
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Spec D LED Third Brake Light (Chrome): Ram 2014 - 2018

Spec D

Regular price $47.00 $35.00 26% off

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Spec D LED Third Brake Light (Smoke): Dodge Ram 2002 - 2008
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Spec D LED Third Brake Light (Smoke): Dodge Ram 2002 - 2008

Spec D

Regular price $80.00 $59.00 26% off

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Spec D LED Third Brake Light (Smoke): Dodge Ram 2009 - 2013
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Spec D LED Third Brake Light (Smoke): Dodge Ram 2009 - 2013

Spec D

Regular price $48.00 $38.00 21% off

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Spec D LED Third Brake Light (Smoke): Ram 2014 - 2018
Spec D LED Third Brake Light (Smoke): Ram 2014 - 2018
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Spec D LED Third Brake Light (Smoke): Ram 2014 - 2018

Spec D

Regular price $51.00 $38.00 25% off

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Spec D Left & Right Mirrors Set (Manual-Fold, Black): Dodge Ram 1998 - 2002
Spec D Left & Right Mirrors Set (Manual-Fold, Black): Dodge Ram 1998 - 2002

Spec D Left & Right Mirrors Set (Manual-Fold, Black): Dodge Ram 1998 - 2002

Spec D

Regular price $240.00 $178.00 26% off

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Spec D Left & Right Mirrors Set (Manual-Fold, Chrome): Dodge Ram 1998 - 2002
Spec D Left & Right Mirrors Set (Manual-Fold, Chrome): Dodge Ram 1998 - 2002

Spec D Left & Right Mirrors Set (Manual-Fold, Chrome): Dodge Ram 1998 - 2002

Spec D

Regular price $251.00 $186.00 26% off

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Spec D Lower Mesh Grille (Black): Dodge Charger 2011 - 2014
Spec D Lower Mesh Grille (Black): Dodge Charger 2011 - 2014
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Spec D Lower Mesh Grille (Black): Dodge Charger 2011 - 2014

Spec D

Regular price $120.00 $89.00 26% off

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Spec D Lower Mesh Grille (Chrome): Dodge Charger 2011 - 2014
Spec D Lower Mesh Grille (Chrome): Dodge Charger 2011 - 2014

Spec D Lower Mesh Grille (Chrome): Dodge Charger 2011 - 2014

Spec D

Regular price $115.00 $85.00 26% off

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Spec D Manual-Fold Driver Mirror w/ Turn & Puddle Light (LEFT): Ram 2500 / 3500 (19-26) - Chrome
Spec D Manual-Fold Driver Mirror w/ Turn & Puddle Light (LEFT): Ram 2500 / 3500 (19-26) - Chrome

Spec D Manual-Fold Driver Mirror w/ Turn & Puddle Light (LEFT): Ram 2500 / 3500 (19-26) - Chrome

Spec D

Regular price $231.00 $171.00 26% off

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Spec D Manual-Fold Heated Mirror Set w/ Turn & Puddle Light (F&R): Dodge Ram (02-10) - Chrome
Spec D Manual-Fold Heated Mirror Set w/ Turn & Puddle Light (F&R): Dodge Ram (02-10) - Chrome
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Spec D Manual-Fold Heated Mirror Set w/ Turn & Puddle Light (F&R): Dodge Ram (02-10) - Chrome

Spec D

Regular price $251.00 $186.00 26% off

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Spec D Matte Black Mesh Grille (Riveted Style): Jeep Wrangler JK 2007 - 2018
Spec D Matte Black Mesh Grille (Riveted Style): Jeep Wrangler JK 2007 - 2018

Spec D Matte Black Mesh Grille (Riveted Style): Jeep Wrangler JK 2007 - 2018

Spec D

Regular price $178.00 $132.00 26% off

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Spec D Matte Black Mesh Grille: Jeep Wrangler JK 2007 - 2018
Spec D Matte Black Mesh Grille: Jeep Wrangler JK 2007 - 2018

Spec D Matte Black Mesh Grille: Jeep Wrangler JK 2007 - 2018

Spec D

Regular price $131.00 $97.00 26% off

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Spec D Matte Black Vertical Grille: Dodge Ram 1994 - 2002
Spec D Matte Black Vertical Grille: Dodge Ram 1994 - 2002
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Spec D Matte Black Vertical Grille: Dodge Ram 1994 - 2002

Spec D

Regular price $82.00 $66.00 20% off

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Spec D Mesh Grille (Black): Dodge Charger 2006 - 2010
Spec D Mesh Grille (Black): Dodge Charger 2006 - 2010
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Spec D Mesh Grille (Black): Dodge Charger 2006 - 2010

Spec D

Regular price $97.00 $72.00 26% off

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Spec D Mesh Grille (Chrome): Dodge Charger 2006 - 2010
Spec D Mesh Grille (Chrome): Dodge Charger 2006 - 2010

Spec D Mesh Grille (Chrome): Dodge Charger 2006 - 2010

Spec D

Regular price $88.00 $65.00 26% off

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Spec D Mesh Grille (Chrome, Honeycomb): Dodge Ram 1500 2009 - 2012
Spec D Mesh Grille (Chrome, Honeycomb): Dodge Ram 1500 2009 - 2012
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Spec D Mesh Grille (Chrome, Honeycomb): Dodge Ram 1500 2009 - 2012

Spec D

Regular price $140.00 $124.00 11% off

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Spec D Mesh Grille (Glossy Black): Chrysler 300 2011 - 2014
Spec D Mesh Grille (Glossy Black): Chrysler 300 2011 - 2014

Spec D Mesh Grille (Glossy Black): Chrysler 300 2011 - 2014

Spec D

Regular price $124.00 $92.00 26% off

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Spec D Mesh Grille (Glossy Black): Dodge Ram 1994 - 2002
Spec D Mesh Grille (Glossy Black): Dodge Ram 1994 - 2002
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Spec D Mesh Grille (Glossy Black): Dodge Ram 1994 - 2002

Spec D

Regular price $134.00 $99.00 26% off

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Spec D Mirrors SET (Manual-Fold, Black): Dodge Ram 2002 - 2009
Spec D Mirrors SET (Manual-Fold, Black): Dodge Ram 2002 - 2009

Spec D Mirrors SET (Manual-Fold, Black): Dodge Ram 2002 - 2009

Spec D

Regular price $151.00 $112.00 26% off

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Spec D Mirrors SET w/ Clear LED (Manual-Fold, Black): Dodge Ram 2009 - 2012
Spec D Mirrors SET w/ Clear LED (Manual-Fold, Black): Dodge Ram 2009 - 2012

Spec D Mirrors SET w/ Clear LED (Manual-Fold, Black): Dodge Ram 2009 - 2012

Spec D

Regular price $312.00 $231.00 26% off

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Spec D Mirrors SET w/ Clear LED (Manual-Fold, Black): Ram 2013 - 2018
Spec D Mirrors SET w/ Clear LED (Manual-Fold, Black): Ram 2013 - 2018

Spec D Mirrors SET w/ Clear LED (Manual-Fold, Black): Ram 2013 - 2018

Spec D

Regular price $271.00 $201.00 26% off

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Spec D Mirrors SET w/ Turn Signal & Puddle Light (Auto-Fold, Chrome): Dodge Ram / Ram 1500 (02-18)
Spec D Mirrors SET w/ Turn Signal & Puddle Light (Auto-Fold, Chrome): Dodge Ram / Ram 1500 (02-18)
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Enhance Your Spec D Platform with Performance Engine Internals and Upgrades

Optimizing your Spec D vehicle requires parts that deliver both strength and precision. This collection focuses on high-quality aftermarket components engineered to improve power delivery, throttle response, and overall durability. Whether you’re building for daily reliability or track-ready performance, these upgrades are designed to fit and function seamlessly on your Spec D setup.

Why upgrade your engine internals on a Spec D platform?

Upgrading engine internals is essential for enhancing the strength and reliability of your Spec D vehicle, especially if you’re pushing power limits or running forced induction. Stronger pistons, rods, and other components help your engine withstand increased stress and heat, reducing the risk of failure and extending engine life. These upgrades also improve throttle response and power consistency under demanding conditions.

  • Increase durability for high-performance builds
  • Improve power delivery and throttle response
  • Ensure compatibility with supporting performance mods
  • Maintain long-term reliability during aggressive driving

What supporting modifications should I consider for my Spec D build?

To maximize the benefits of your Spec D engine internals, consider complementary upgrades that enhance overall drivability and performance. Supporting mods like upgraded fuel systems, cooling components, and exhaust improvements help maintain engine health and optimize power output. Proper tuning is also critical to ensure all parts work together efficiently and safely.

How to choose the right Spec D aftermarket parts for your vehicle?

Selecting the right parts for your Spec D platform means focusing on fitment, function, and your specific performance goals. Whether you need engine internals built for strength or performance upgrades that sharpen response, prioritize components designed to integrate smoothly with your existing setup. Shop the full Spec D collection at FastHemis to find parts tailored to your build and driving style.

SELECT YOUR VEHICLE