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Chrysler 300 Engine Performance

Built for your Chrysler 300, this Engine Performance collection offers a range of parts designed to enhance power, throttle response, and overall drivability. Whether you’re looking to improve airflow, fuel delivery, or engine management, our selection covers headers, intakes, exhaust components, tuners, and more. Each product is chosen to match your vehicle’s platform for reliable, performance-focused upgrades.

Optimize your Chrysler 300’s engine with components that improve sound, efficiency, and power delivery. From cold air intakes to high-flow exhaust headers and advanced programmers, these parts help you unlock your engine’s true potential while maintaining daily drivability.

  • High-quality intakes and throttle bodies
  • Performance headers and exhaust systems
  • Fuel system upgrades and tuners
  • Engine management and programmers

Shop engine performance upgrades for your Chrysler 300 at FastHemis.

SELECT YOUR VEHICLE

423 Results

Cometic Gasket MLS Cylinder Head Gasket: Chrysler 300 / Dodge Charger / Magnum (05-10)
Cometic Gasket MLS Cylinder Head Gasket: Chrysler 300 / Dodge Charger / Magnum (05-10)
usa

Cometic Gasket MLS Cylinder Head Gasket: Chrysler 300 / Dodge Charger / Magnum (05-10)

Cometic Gasket

Regular price $112.63 $101.37 10% off

Unit price
per 

Cometic Gasket MLS Cylinder Head Gasket: Chrysler 300 / Dodge Charger / Magnum (05-10)
Cometic Gasket MLS Cylinder Head Gasket: Chrysler 300 / Dodge Charger / Magnum (05-10)
usa

Cometic Gasket MLS Cylinder Head Gasket: Chrysler 300 / Dodge Charger / Magnum (05-10)

Cometic Gasket

Regular price $112.63 $101.37 10% off

Unit price
per 

Cometic Gasket MLS Cylinder Head Gasket: Chrysler 300 / Dodge Charger / Magnum (05-10)
Cometic Gasket MLS Cylinder Head Gasket: Chrysler 300 / Dodge Charger / Magnum (05-10)
usa

Cometic Gasket MLS Cylinder Head Gasket: Chrysler 300 / Dodge Charger / Magnum (05-10)

Cometic Gasket

Regular price $104.14 $93.72 10% off

Unit price
per 

Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep (05-10) - 6.1L Gen-3 Hemi
Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep (05-10) - 6.1L Gen-3 Hemi
usa

Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep (05-10) - 6.1L Gen-3 Hemi

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep (05-10) - 6.1L Gen-3 Hemi
Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep (05-10) - 6.1L Gen-3 Hemi
usa

Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep (05-10) - 6.1L Gen-3 Hemi

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep (05-10) - 6.1L Gen-3 Hemi
Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep (05-10) - 6.1L Gen-3 Hemi
usa

Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep (05-10) - 6.1L Gen-3 Hemi

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep (05-10) 6.1L Gen-3 Hemi
Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep (05-10) 6.1L Gen-3 Hemi
usa

Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep (05-10) 6.1L Gen-3 Hemi

Cometic Gasket

Regular price $105.19 $94.67 10% off

Unit price
per 

Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep 6.1L Gen-3 Hemi (05-10)
Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep 6.1L Gen-3 Hemi (05-10)
usa

Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep 6.1L Gen-3 Hemi (05-10)

Cometic Gasket

Regular price $261.92 $235.73 10% off

Unit price
per 

Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler 300 / Dodge Charger / Magnum (05-10)
Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler 300 / Dodge Charger / Magnum (05-10)
usa

Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler 300 / Dodge Charger / Magnum (05-10)

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler 300 / Dodge Charger / Magnum (05-10)
Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler 300 / Dodge Charger / Magnum (05-10)
usa

Cometic Gasket MLS Cylinder Head Gasket: Fits Chrysler 300 / Dodge Charger / Magnum (05-10)

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic Gasket MLS Cylinder Head Gasket: Fits Dodge / Chrysler / Jeep 6.1L Gen-3 Hemi (05-10)
Cometic Gasket MLS Cylinder Head Gasket: Fits Dodge / Chrysler / Jeep 6.1L Gen-3 Hemi (05-10)
usa

Cometic Gasket MLS Cylinder Head Gasket: Fits Dodge / Chrysler / Jeep 6.1L Gen-3 Hemi (05-10)

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Gasket MLS Cylinder Head Gasket: Fits Dodge / Chrysler / Jeep 6.1L Gen-3 Hemi (05-10)
Cometic Gasket MLS Cylinder Head Gasket: Fits Dodge / Chrysler / Jeep 6.1L Gen-3 Hemi (05-10)
usa

Cometic Gasket MLS Cylinder Head Gasket: Fits Dodge / Chrysler / Jeep 6.1L Gen-3 Hemi (05-10)

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Gasket MLS Cylinder Head Gasket: Fits most Chrysler 6.1L Gen-3 Hemi
Cometic Gasket MLS Cylinder Head Gasket: Fits most Chrysler 6.1L Gen-3 Hemi
usa

Cometic Gasket MLS Cylinder Head Gasket: Fits most Chrysler 6.1L Gen-3 Hemi

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic Gasket MLS Cylinder Head Gasket: Fits most Chrysler 6.1L Gen-3 Hemi Models
Cometic Gasket MLS Cylinder Head Gasket: Fits most Chrysler 6.1L Gen-3 Hemi Models
usa

Cometic Gasket MLS Cylinder Head Gasket: Fits most Chrysler 6.1L Gen-3 Hemi Models

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Gasket MLS Cylinder Head Gasket: Fits most Chrysler 6.1L Gen-3 Hemi Models
Cometic Gasket MLS Cylinder Head Gasket: Fits most Chrysler 6.1L Gen-3 Hemi Models
usa

Cometic Gasket MLS Cylinder Head Gasket: Fits most Chrysler 6.1L Gen-3 Hemi Models

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Gasket MLS Cylinder Head Gasket: Fits most Chrysler 6.1L Gen-3 Hemi Models
Cometic Gasket MLS Cylinder Head Gasket: Fits most Chrysler 6.1L Gen-3 Hemi Models
usa

Cometic Gasket MLS Cylinder Head Gasket: Fits most Chrysler 6.1L Gen-3 Hemi Models

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic Gasket MLS Head Gasket (RHS): Fits Chrysler / Dodge / Jeep / Ram (11-26)
Cometic Gasket MLS Head Gasket (RHS): Fits Chrysler / Dodge / Jeep / Ram (11-26)
usa

Cometic Gasket MLS Head Gasket (RHS): Fits Chrysler / Dodge / Jeep / Ram (11-26)

Cometic Gasket

Regular price $261.92 $235.73 10% off

Unit price
per 

Cometic Gasket MLS Head Gasket 5.7L Gen-3 Hemi .027in: Fits Dodge / Chrysler / Jeep / Ram (03-15)
Cometic Gasket MLS Head Gasket 5.7L Gen-3 Hemi .027in: Fits Dodge / Chrysler / Jeep / Ram (03-15)
Sold out
usa

Cometic Gasket MLS Head Gasket 5.7L Gen-3 Hemi .027in: Fits Dodge / Chrysler / Jeep / Ram (03-15)

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic Gasket MLS Head Gasket 6.1L HEMI 4.100" Bore .092" Thickness: Fits most Hemi 6.1L
Cometic Gasket MLS Head Gasket 6.1L HEMI 4.100" Bore .092" Thickness: Fits most Hemi 6.1L
usa

Cometic Gasket MLS Head Gasket 6.1L HEMI 4.100" Bore .092" Thickness: Fits most Hemi 6.1L

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Gasket MLS Head Gasket 6.4L SRT-8 .036in (LEFT): Fits Dodge / Chrysler / Jeep / Ram (11-19)
Cometic Gasket MLS Head Gasket 6.4L SRT-8 .036in (LEFT): Fits Dodge / Chrysler / Jeep / Ram (11-19)
usa

Cometic Gasket MLS Head Gasket 6.4L SRT-8 .036in (LEFT): Fits Dodge / Chrysler / Jeep / Ram (11-19)

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic Gasket MLS Head Gasket 6.4L SRT-8 .036in (RIGHT): Fits Dodge / Chrysler / Jeep / Ram (11-19)
Cometic Gasket MLS Head Gasket 6.4L SRT-8 .036in (RIGHT): Fits Dodge / Chrysler / Jeep / Ram (11-19)
usa

Cometic Gasket MLS Head Gasket 6.4L SRT-8 .036in (RIGHT): Fits Dodge / Chrysler / Jeep / Ram (11-19)

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic Gasket MLS Head Gasket LHS: Fits Chrysler / Dodge / Jeep / Ram (11-26)
Cometic Gasket MLS Head Gasket LHS: Fits Chrysler / Dodge / Jeep / Ram (11-26)
usa

Cometic Gasket MLS Head Gasket LHS: Fits Chrysler / Dodge / Jeep / Ram (11-26)

Cometic Gasket

Regular price $261.92 $235.73 10% off

Unit price
per 

Cometic Gasket MLS Head Gasket LHS: Fits Chrysler / Dodge / Jeep / Ram 2500/3500 (11-23)
Cometic Gasket MLS Head Gasket LHS: Fits Chrysler / Dodge / Jeep / Ram 2500/3500 (11-23)
usa

Cometic Gasket MLS Head Gasket LHS: Fits Chrysler / Dodge / Jeep / Ram 2500/3500 (11-23)

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic Gasket MLS Head Gasket RHS: Fits Chrysler / Dodge / Jeep / Ram 5.7L Gen-3 Hemi (03-15)
Cometic Gasket MLS Head Gasket RHS: Fits Chrysler / Dodge / Jeep / Ram 5.7L Gen-3 Hemi (03-15)
Sold out
usa

Cometic Gasket MLS Head Gasket RHS: Fits Chrysler / Dodge / Jeep / Ram 5.7L Gen-3 Hemi (03-15)

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Gasket MLS Head Gasket: Fits Dodge / Chrysler / Jeep / Ram (03-26)
Cometic Gasket MLS Head Gasket: Fits Dodge / Chrysler / Jeep / Ram (03-26)
usa

Cometic Gasket MLS Head Gasket: Fits Dodge / Chrysler / Jeep / Ram (03-26)

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic Gasket MLS-5 Head Gasket (0.040): Fits Chrysler / Dodge / Jeep (05-10)
Cometic Gasket MLS-5 Head Gasket (0.040): Fits Chrysler / Dodge / Jeep (05-10)
usa

Cometic Gasket MLS-5 Head Gasket (0.040): Fits Chrysler / Dodge / Jeep (05-10)

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic Gasket MLS-5 Head Gasket (0.045): Fits Chrysler / Dodge / Jeep (05-10)
Cometic Gasket MLS-5 Head Gasket (0.045): Fits Chrysler / Dodge / Jeep (05-10)
usa

Cometic Gasket MLS-5 Head Gasket (0.045): Fits Chrysler / Dodge / Jeep (05-10)

Cometic Gasket

Regular price $112.63 $101.37 10% off

Unit price
per 

Cometic Gasket MLS-5 Head Gasket (0.051): Fits Chrysler / Dodge / Jeep (05-10)
Cometic Gasket MLS-5 Head Gasket (0.051): Fits Chrysler / Dodge / Jeep (05-10)
usa

Cometic Gasket MLS-5 Head Gasket (0.051): Fits Chrysler / Dodge / Jeep (05-10)

Cometic Gasket

Regular price $112.63 $101.37 10% off

Unit price
per 

Cometic Gasket MLS-5 Head Gasket: Chrysler 300 / Dodge Charger / Magnum (05-10)
Cometic Gasket MLS-5 Head Gasket: Chrysler 300 / Dodge Charger / Magnum (05-10)
usa

Cometic Gasket MLS-5 Head Gasket: Chrysler 300 / Dodge Charger / Magnum (05-10)

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic Gasket Top End MLS Gasket Kit (0.045): Chrysler 300 / Dodge Charger / Magnum (05-10)
Cometic Gasket Top End MLS Gasket Kit (0.045): Chrysler 300 / Dodge Charger / Magnum (05-10)
usa

Cometic Gasket Top End MLS Gasket Kit (0.045): Chrysler 300 / Dodge Charger / Magnum (05-10)

Cometic Gasket

Regular price $328.61 $305.60 7% off

Unit price
per 

Cometic Gasket Valve Stem Seals Intake Hat Style: Chrysler 300 / Dodge Charger / Magnum (05-10)
Cometic Gasket Valve Stem Seals Intake Hat Style: Chrysler 300 / Dodge Charger / Magnum (05-10)
usa

Cometic Gasket Valve Stem Seals Intake Hat Style: Chrysler 300 / Dodge Charger / Magnum (05-10)

Cometic Gasket

Regular price $50.68 $45.62 10% off

Unit price
per 

Cometic Gasket Valve Stem Seals: Fits Dodge Ram / Durango / Chrysler 300 / Jeep / Charger (03-08)
Cometic Gasket Valve Stem Seals: Fits Dodge Ram / Durango / Chrysler 300 / Jeep / Charger (03-08)
usa

Cometic Gasket Valve Stem Seals: Fits Dodge Ram / Durango / Chrysler 300 / Jeep / Charger (03-08)

Cometic Gasket

Regular price $77.90 $70.12 10% off

Unit price
per 

Cometic Gen-3 6.4L HEMI MLS Head Gasket (LEFT): Fits Chrysler / Dodge / Jeep / Ram (11-19)
Cometic Gen-3 6.4L HEMI MLS Head Gasket (LEFT): Fits Chrysler / Dodge / Jeep / Ram (11-19)
usa

Cometic Gen-3 6.4L HEMI MLS Head Gasket (LEFT): Fits Chrysler / Dodge / Jeep / Ram (11-19)

Cometic Gasket

Regular price $137.84 $124.07 10% off

Unit price
per 

Cometic MLS Head Gasket .045 Bore (LHS): Fits Chrysler/Dodge/Jeep 2005-2010 6.1L HEMI Iron Block
Cometic MLS Head Gasket .045 Bore (LHS): Fits Chrysler/Dodge/Jeep 2005-2010 6.1L HEMI Iron Block
usa

Cometic MLS Head Gasket .045 Bore (LHS): Fits Chrysler/Dodge/Jeep 2005-2010 6.1L HEMI Iron Block

Cometic Gasket

Regular price $112.63 $101.37 10% off

Unit price
per 

Cometic MLS Head Gasket .070in Bore w/ Viton: Fits Chrysler / Dodge / Jeep 6.1L Gen-3 Hemi (05-10)
Cometic MLS Head Gasket .070in Bore w/ Viton: Fits Chrysler / Dodge / Jeep 6.1L Gen-3 Hemi (05-10)
usa

Cometic MLS Head Gasket .070in Bore w/ Viton: Fits Chrysler / Dodge / Jeep 6.1L Gen-3 Hemi (05-10)

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic MLS Head Gasket .075 Bore Left Hand: Fits Chrysler/Dodge/Jeep/Ram 2011-2024 6.4L 392 HEMI
Cometic MLS Head Gasket .075 Bore Left Hand: Fits Chrysler/Dodge/Jeep/Ram 2011-2024 6.4L 392 HEMI
usa

Cometic MLS Head Gasket .075 Bore Left Hand: Fits Chrysler/Dodge/Jeep/Ram 2011-2024 6.4L 392 HEMI

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic MLS Head Gasket .075 Bore Right Hand: Fits Chrysler/Dodge/Jeep/Ram 2011-2024 6.4L 392 HEMI
Cometic MLS Head Gasket .075 Bore Right Hand: Fits Chrysler/Dodge/Jeep/Ram 2011-2024 6.4L 392 HEMI
usa

Cometic MLS Head Gasket .075 Bore Right Hand: Fits Chrysler/Dodge/Jeep/Ram 2011-2024 6.4L 392 HEMI

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic MLS Head Gasket 3.950" Bore .140" (RHS): Fits Dodge/Chrysler/Jeep/Ram 2003-2024 5.7L VVT HEMI
Cometic MLS Head Gasket 3.950" Bore .140" (RHS): Fits Dodge/Chrysler/Jeep/Ram 2003-2024 5.7L VVT HEMI
usa

Cometic MLS Head Gasket 3.950" Bore .140" (RHS): Fits Dodge/Chrysler/Jeep/Ram 2003-2024 5.7L VVT HEMI

Cometic Gasket

Regular price $261.92 $235.73 10% off

Unit price
per 

Cometic MLS Head Gasket 3.950in Bore .027in LHS: Fits Dodge / Chrysler / Jeep / Ram (03-26)
Cometic MLS Head Gasket 3.950in Bore .027in LHS: Fits Dodge / Chrysler / Jeep / Ram (03-26)
Sold out
usa

Cometic MLS Head Gasket 3.950in Bore .027in LHS: Fits Dodge / Chrysler / Jeep / Ram (03-26)

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic MLS Head Gasket 4.100" Bore .030" (RHS): Fits Chrysler/Dodge/Jeep 2005-2010 6.1L HEMI Iron Block
Cometic MLS Head Gasket 4.100" Bore .030" (RHS): Fits Chrysler/Dodge/Jeep 2005-2010 6.1L HEMI Iron Block
Sold out
usa

Cometic MLS Head Gasket 4.100" Bore .030" (RHS): Fits Chrysler/Dodge/Jeep 2005-2010 6.1L HEMI Iron Block

Cometic Gasket

Regular price $105.19 $94.67 10% off

Unit price
per 

Enhance Your Chrysler 300 with Premium Engine Performance Parts

Unlock your Chrysler 300’s full potential with targeted engine performance upgrades designed to improve power, throttle response, and drivability. This collection features carefully selected components that optimize airflow, fuel delivery, and engine management for a seamless balance of performance and daily usability.

What are the benefits of upgrading engine performance parts on a Chrysler 300?

Upgrading key engine components can significantly enhance your Chrysler 300’s responsiveness and efficiency. Improved intakes and throttle bodies increase airflow, while performance headers and exhaust systems reduce backpressure, resulting in better power delivery and a more aggressive sound. Additionally, tuners and programmers allow you to fine-tune engine parameters for optimized performance.

  • Enhanced throttle response and acceleration
  • Improved engine sound and exhaust tone
  • Better fuel efficiency through optimized airflow
  • Customizable engine management for specific driving needs

How do I choose the right engine performance parts for my Chrysler 300?

Selecting the right parts starts with knowing your engine platform—whether it’s the 5.7L Hemi, 3.6L Pentastar V6, or another variant. Consider your performance goals, such as daily driving improvements or more aggressive power gains. High-quality cold air intakes and throttle bodies are great starting points, while headers and exhaust upgrades should be matched to your engine size and emission requirements. Tuners and programmers must be compatible with your vehicle’s ECU for proper calibration.

What to expect after installing Chrysler 300 engine performance upgrades

After installation, you’ll notice a more responsive throttle and a deeper, more refined exhaust note. Fuel system upgrades and tuners can unlock additional power by optimizing air-fuel ratios and ignition timing. These improvements contribute to a more engaging driving experience without sacrificing daily drivability. Explore our Chrysler 300 engine performance collection at FastHemis to find parts tailored to your specific model and upgrade goals.

SELECT YOUR VEHICLE