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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 Projector HeadLights (Black): Dodge Dakota 2005 - 2007
Spec D LED Projector HeadLights (Black): Dodge Dakota 2005 - 2007

Spec D LED Projector HeadLights (Black): Dodge Dakota 2005 - 2007

Spec D

Regular price $275.00 $204.00 26% off

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Spec D LED Projector HeadLights (Black): Dodge Dakota 2005 - 2007

Spec D

Regular price $275.00 $204.00 26% off

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Spec D LED projector Headlights (Black): Dodge Magnum 2005 - 2007
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Spec D LED projector Headlights (Black): Dodge Magnum 2005 - 2007

Spec D

Regular price $350.00 $245.00 30% off

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Spec D LED Projector Headlights (Black): Dodge Magnum 2005 - 2007
Spec D LED Projector Headlights (Black): Dodge Magnum 2005 - 2007

Spec D LED Projector Headlights (Black): Dodge Magnum 2005 - 2007

Spec D

Regular price $266.00 $197.00 26% off

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Spec D LED Projector Headlights (Black): Dodge Ram 1994 - 2001
Spec D LED Projector Headlights (Black): Dodge Ram 1994 - 2001

Spec D LED Projector Headlights (Black): Dodge Ram 1994 - 2001

Spec D

Regular price $203.00 $150.00 26% off

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Spec D LED Projector HeadLights (Black): Dodge Ram 2002 - 2005
Spec D LED Projector HeadLights (Black): Dodge Ram 2002 - 2005
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Spec D LED Projector HeadLights (Black): Dodge Ram 2002 - 2005

Spec D

Regular price $201.00 $149.00 26% off

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Spec D LED Projector Headlights (Black): Dodge Ram 2006 - 2008
Spec D LED Projector Headlights (Black): Dodge Ram 2006 - 2008
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Spec D LED Projector Headlights (Black): Dodge Ram 2006 - 2008

Spec D

Regular price $282.00 $209.00 26% off

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Spec D LED Projector Headlights (Black): Dodge Ram 2009 - 2018
Spec D LED Projector Headlights (Black): Dodge Ram 2009 - 2018

Spec D LED Projector HeadLights (Black): Dodge Ram 2009 - 2016

Spec D

Regular price $324.00 $240.00 26% off

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Spec D LED Projector HeadLights (Black): Jeep Grand Cherokee 1999 - 2004
Spec D LED Projector HeadLights (Black): Jeep Grand Cherokee 1999 - 2004
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Spec D LED Projector HeadLights (Black): Jeep Grand Cherokee 1999 - 2004

Spec D

Regular price $213.00 $158.00 26% off

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Spec D LED Projector HeadLights (Chrome): Dodge Dakota 2005 - 2007
Spec D LED Projector HeadLights (Chrome): Dodge Dakota 2005 - 2007
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Spec D LED Projector HeadLights (Chrome): Dodge Dakota 2005 - 2007

Spec D

Regular price $275.00 $204.00 26% off

Unit price
per 

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Spec D LED Projector HeadLights (Chrome): Dodge Dakota 2005 - 2007

Spec D

Regular price $275.00 $204.00 26% off

Unit price
per 

Spec D LED Projector Headlights (Chrome): Dodge Magnum 2005 - 2007
Spec D LED Projector Headlights (Chrome): Dodge Magnum 2005 - 2007
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Spec D LED Projector Headlights (Chrome): Dodge Magnum 2005 - 2007

Spec D

Regular price $266.00 $197.00 26% off

Unit price
per 

Spec D LED Projector Headlights (Chrome): Dodge Ram 1994 - 2001
Spec D LED Projector Headlights (Chrome): Dodge Ram 1994 - 2001

Spec D LED Projector Headlights (Chrome): Dodge Ram 1994 - 2001

Spec D

Regular price $203.00 $150.00 26% off

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per 

Spec D LED Projector HeadLights (Chrome): Dodge Ram 2002 - 2005
Spec D LED Projector HeadLights (Chrome): Dodge Ram 2002 - 2005
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Spec D LED Projector HeadLights (Chrome): Dodge Ram 2002 - 2005

Spec D

Regular price $224.00 $166.00 26% off

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Spec D LED Projector Headlights (Chrome): Dodge Ram 2006 - 2008
Spec D LED Projector Headlights (Chrome): Dodge Ram 2006 - 2008
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Spec D LED Projector Headlights (Chrome): Dodge Ram 2006 - 2008

Spec D

Regular price $282.00 $209.00 26% off

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per 

Spec D LED Projector Headlights (Chrome): Dodge Ram 2006 - 2008
Spec D LED Projector Headlights (Chrome): Dodge Ram 2006 - 2008

Spec D LED Projector Headlights (Chrome): Dodge Ram 2006 - 2008

Spec D

Regular price $427.00 $316.00 26% off

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Spec D LED Projector Headlights (Chrome): Dodge Ram 2009 - 2018
Spec D LED Projector Headlights (Chrome): Dodge Ram 2009 - 2018

Spec D LED Projector HeadLights (Chrome): Dodge Ram 2009 - 2016

Spec D

Regular price $319.00 $236.00 26% off

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Spec D LED Projector HeadLights (Chrome): Jeep Grand Cherokee 1999 - 2004
Spec D LED Projector HeadLights (Chrome): Jeep Grand Cherokee 1999 - 2004

Spec D LED Projector HeadLights (Chrome): Jeep Grand Cherokee 1999 - 2004

Spec D

Regular price $207.00 $153.00 26% off

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Spec D LED Projector HeadLights (Chrome): Jeep Grand Cherokee 1999 - 2004
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Spec D LED Projector HeadLights (Chrome): Jeep Grand Cherokee 1999 - 2004

Spec D

Regular price $374.00 $277.00 26% off

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Spec D LED Projector Headlights (Glossy Black): Dodge Ram 2006 - 2008
Spec D LED Projector Headlights (Glossy Black): Dodge Ram 2006 - 2008

Spec D LED Projector Headlights (Glossy Black): Dodge Ram 2006 - 2008

Spec D

Regular price $481.00 $356.00 26% off

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Spec D LED Projector Headlights (Matte Black): Dodge Ram 2006 - 2008
Spec D LED Projector Headlights (Matte Black): Dodge Ram 2006 - 2008

Spec D LED Projector Headlights (Matte Black): Dodge Ram 2006 - 2008

Spec D

Regular price $431.00 $319.00 26% off

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Spec D LED Projector Headlights (Smoke): Dodge Ram 2006 - 2008
Spec D LED Projector Headlights (Smoke): Dodge Ram 2006 - 2008

Spec D LED Projector Headlights (Smoke): Dodge Ram 2006 - 2008

Spec D

Regular price $456.00 $338.00 26% off

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Spec D LED Projector Headlights (White w/ Sequential Signal): Dodge Ram 2009 - 2018
Spec D LED Projector Headlights (White w/ Sequential Signal): Dodge Ram 2009 - 2018
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Spec D LED Projector Headlights (White w/ Sequential Signal): Dodge Ram 2009 - 2018

Spec D

Regular price $911.00 $675.00 26% off

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Spec D LED Sequential Headlights (Chrome): Dodge Ram 2009 - 2018
Spec D LED Sequential Headlights (Chrome): Dodge Ram 2009 - 2018

Spec D LED Sequential Headlights (Chrome): Dodge Ram 2009 - 2018

Spec D

Regular price $365.00 $270.00 26% off

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Spec D LED Sequential Headlights (Smoke): Dodge Ram 2009 - 2018
Spec D LED Sequential Headlights (Smoke): Dodge Ram 2009 - 2018
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Spec D LED Sequential Headlights (Smoke): Dodge Ram 2009 - 2018

Spec D

Regular price $366.00 $271.00 26% off

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Spec D LED Tail Lights (Black w/ Sequential Turn Signal): Ram 2500 & 3500 2019 - 2024
Spec D LED Tail Lights (Black w/ Sequential Turn Signal): Ram 2500 & 3500 2019 - 2024

Spec D LED Tail Lights (Black w/ Sequential Turn Signal): Ram 2500 & 3500 2019 - 2024

Spec D

Regular price $552.00 $409.00 26% off

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Spec D LED Tail Lights (Black w/ White LED Bar): Dodge Ram 2009 - 2018
Spec D LED Tail Lights (Black w/ White LED Bar): Dodge Ram 2009 - 2018

Spec D LED Tail Lights (Black w/ White LED Bar): Dodge Ram 2009 - 2018

Spec D

Regular price $248.00 $184.00 26% off

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Spec D LED Tail Lights (Black): Chrysler 2005 - 2007
Spec D LED Tail Lights (Black): Chrysler 2005 - 2007
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Spec D LED Tail Lights (Black): Chrysler 2005 - 2007

Spec D

Regular price $188.00 $165.00 12% off

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Spec D LED Tail Lights (Black): Chrysler 300C 2005 - 2007

Spec D LED Tail Lights (Black): Chrysler 300C 2005 - 2007

Spec D

Regular price $251.00 $186.00 26% off

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Spec D LED Tail Lights (Black): Dodge Charger 2006 - 2008
Spec D LED Tail Lights (Black): Dodge Charger 2006 - 2008

Spec D LED Tail Lights (Black): Dodge Charger 2006 - 2008

Spec D

Regular price $274.00 $203.00 26% off

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

Spec D

Regular price $257.00 $190.00 26% off

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Spec D LED Tail Lights (Black): Dodge Dakota 1997 - 2004
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Spec D LED Tail Lights (Black): Dodge Dakota 1997 - 2004

Spec D

Regular price $287.30 $236.60 18% off

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

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

Spec D

Regular price $261.00 $193.00 26% off

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Spec D LED Tail Lights (Black): Dodge Ram 1994 - 2001

Spec D LED Tail Lights (Black): Dodge Ram 1994 - 2001

Spec D

Regular price $265.00 $196.00 26% off

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per 

Spec D LED Tail Lights (Black): Dodge Ram 2002 - 2005
Spec D LED Tail Lights (Black): Dodge Ram 2002 - 2005

Spec D LED Tail Lights (Black): Dodge Ram 2002 - 2005

Spec D

Regular price $142.00 $105.00 26% off

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Spec D LED Tail Lights (Black): Dodge Ram 2002 - 2006

Spec D LED Tail Lights (Black): Dodge Ram 2002 - 2006

Spec D

Regular price $271.00 $201.00 26% off

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Spec D LED Tail Lights (Black): Dodge Ram 2007 - 2008

Spec D LED Tail Lights (Black): Dodge Ram 2007 - 2008

Spec D

Regular price $365.00 $270.00 26% off

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per 

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

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

Spec D

Regular price $167.00 $124.00 26% off

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

Spec D

Regular price $397.00 $294.00 26% off

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

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

Spec D

Regular price $400.00 $296.00 26% off

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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