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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.

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423 Results

Cometic Dodge 5.7L Hemi 4.100in Bore .075 inch MLS LHS Head Gasket
Cometic Dodge 5.7L Hemi 4.100in Bore .075 inch MLS LHS Head Gasket
usa

Cometic Dodge 5.7L Hemi 4.100in Bore .075 inch MLS LHS Head Gasket

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic Gasket .032in MLX Cylinder Head Gasket (RHS): Fits Dodge / Chrysler / Jeep / Ram (11-26)
Cometic Gasket .032in MLX Cylinder Head Gasket (RHS): Fits Dodge / Chrysler / Jeep / Ram (11-26)
usa

Cometic Gasket .032in MLX Cylinder Head Gasket (RHS): Fits Dodge / Chrysler / Jeep / Ram (11-26)

Cometic Gasket

Regular price $131.28 $118.15 10% off

Unit price
per 

Cometic Gasket .032in MLX Head Gasket (LHS): Fits Dodge / Jeep / Chrysler / Ram (11-26)
Cometic Gasket .032in MLX Head Gasket (LHS): Fits Dodge / Jeep / Chrysler / Ram (11-26)
usa

Cometic Gasket .032in MLX Head Gasket (LHS): Fits Dodge / Jeep / Chrysler / Ram (11-26)

Cometic Gasket

Regular price $131.28 $118.15 10% off

Unit price
per 

Cometic Gasket .036in MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep 6.1L HEMI (05-10) SRT8
Cometic Gasket .036in MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep 6.1L HEMI (05-10) SRT8
usa

Cometic Gasket .036in MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep 6.1L HEMI (05-10) SRT8

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic Gasket .056in MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep 6.1L Hemi (05-10)
Cometic Gasket .056in MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep 6.1L Hemi (05-10)
usa

Cometic Gasket .056in MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep 6.1L Hemi (05-10)

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .045in MLS Cyl Head Gskt RHS: Fits most Hemi Models
Cometic Gasket 5.7L Gen-3 Hemi .045in MLS Cyl Head Gskt RHS: Fits most Hemi Models
usa

Cometic Gasket 5.7L Gen-3 Hemi .045in MLS Cyl Head Gskt RHS: Fits most Hemi Models

Cometic Gasket

Regular price $112.63 $101.37 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .045in MLS Cylinder Head Gasket (LHS): Fits most Hemi Models
Cometic Gasket 5.7L Gen-3 Hemi .045in MLS Cylinder Head Gasket (LHS): Fits most Hemi Models
usa

Cometic Gasket 5.7L Gen-3 Hemi .045in MLS Cylinder Head Gasket (LHS): Fits most Hemi Models

Cometic Gasket

Regular price $112.63 $101.37 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .056in MLS Head Gasket (LHS): Dodge / Chrysler / Jeep / Ram (03-15)
Cometic Gasket 5.7L Gen-3 Hemi .056in MLS Head Gasket (LHS): Dodge / Chrysler / Jeep / Ram (03-15)
usa

Cometic Gasket 5.7L Gen-3 Hemi .056in MLS Head Gasket (LHS): Dodge / Chrysler / Jeep / Ram (03-15)

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .056in MLS Head Gasket (RHS): Dodge / Chrysler / Jeep / Ram (03-15)
Cometic Gasket 5.7L Gen-3 Hemi .056in MLS Head Gasket (RHS): Dodge / Chrysler / Jeep / Ram (03-15)
usa

Cometic Gasket 5.7L Gen-3 Hemi .056in MLS Head Gasket (RHS): Dodge / Chrysler / Jeep / Ram (03-15)

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .075in MLS Head Gasket (LHS): Dodge / Chrysler / Jeep / Ram (03-15)
Cometic Gasket 5.7L Gen-3 Hemi .075in MLS Head Gasket (LHS): Dodge / Chrysler / Jeep / Ram (03-15)
usa

Cometic Gasket 5.7L Gen-3 Hemi .075in MLS Head Gasket (LHS): Dodge / Chrysler / Jeep / Ram (03-15)

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .075in MLS Head Gasket (RHS): Dodge / Chrysler / Jeep / Ram (03-15)
Cometic Gasket 5.7L Gen-3 Hemi .075in MLS Head Gasket (RHS): Dodge / Chrysler / Jeep / Ram (03-15)
usa

Cometic Gasket 5.7L Gen-3 Hemi .075in MLS Head Gasket (RHS): Dodge / Chrysler / Jeep / Ram (03-15)

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .080in MLS Cyl Head Gskt RHS: Fits most Hemi Models
Cometic Gasket 5.7L Gen-3 Hemi .080in MLS Cyl Head Gskt RHS: Fits most Hemi Models
usa

Cometic Gasket 5.7L Gen-3 Hemi .080in MLS Cyl Head Gskt RHS: Fits most Hemi Models

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .095in MLS Cylinder Head Gasket (LHS): Fits most Hemi Models
Cometic Gasket 5.7L Gen-3 Hemi .095in MLS Cylinder Head Gasket (LHS): Fits most Hemi Models
usa

Cometic Gasket 5.7L Gen-3 Hemi .095in MLS Cylinder Head Gasket (LHS): Fits most Hemi Models

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .120in MLS Cyl Head Gskt RHS: Fits most Hemi Models
Cometic Gasket 5.7L Gen-3 Hemi .120in MLS Cyl Head Gskt RHS: Fits most Hemi Models
usa

Cometic Gasket 5.7L Gen-3 Hemi .120in MLS Cyl Head Gskt RHS: Fits most Hemi Models

Cometic Gasket

Regular price $261.92 $235.73 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .120in MLS Cylinder Head Gasket (LHS): Fits most Hemi Models
Cometic Gasket 5.7L Gen-3 Hemi .120in MLS Cylinder Head Gasket (LHS): Fits most Hemi Models
usa

Cometic Gasket 5.7L Gen-3 Hemi .120in MLS Cylinder Head Gasket (LHS): Fits most Hemi Models

Cometic Gasket

Regular price $261.92 $235.73 10% off

Unit price
per 

Cometic Gasket 5.7L HEMI .089 MLS Head Gasket: Fits Dodge / Chrysler / Jeep / Ram (03-15)
Cometic Gasket 5.7L HEMI .089 MLS Head Gasket: Fits Dodge / Chrysler / Jeep / Ram (03-15)
usa

Cometic Gasket 5.7L HEMI .089 MLS Head Gasket: Fits Dodge / Chrysler / Jeep / Ram (03-15)

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Gasket 5.7L HEMI 4.100in Bore .027in MLS LHS Head Gasket: Fits most Hemi 5.7L Models
Cometic Gasket 5.7L HEMI 4.100in Bore .027in MLS LHS Head Gasket: Fits most Hemi 5.7L Models
usa

Cometic Gasket 5.7L HEMI 4.100in Bore .027in MLS LHS Head Gasket: Fits most Hemi 5.7L Models

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic Gasket 5.7L Hemi 4.100in Bore .036in MLS RHS Head Gasket: Fits most Hemi 5.7L Models
Cometic Gasket 5.7L Hemi 4.100in Bore .036in MLS RHS Head Gasket: Fits most Hemi 5.7L Models
usa

Cometic Gasket 5.7L Hemi 4.100in Bore .036in MLS RHS Head Gasket: Fits most Hemi 5.7L Models

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic Gasket 6.1L Gen-3 Hemi .036in MLS Head Gasket: Fits Chrysler / Dodge / Jeep (05-10)
Cometic Gasket 6.1L Gen-3 Hemi .036in MLS Head Gasket: Fits Chrysler / Dodge / Jeep (05-10)
usa

Cometic Gasket 6.1L Gen-3 Hemi .036in MLS Head Gasket: Fits Chrysler / Dodge / Jeep (05-10)

Cometic Gasket

Regular price $105.19 $94.67 10% off

Unit price
per 

Cometic Gasket 6.1L Gen-3 Hemi .051in MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep (05-10)
Cometic Gasket 6.1L Gen-3 Hemi .051in MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep (05-10)
usa

Cometic Gasket 6.1L Gen-3 Hemi .051in MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep (05-10)

Cometic Gasket

Regular price $112.63 $101.37 10% off

Unit price
per 

Cometic Gasket 6.1L Gen-3 Hemi Top End MLS Gasket Kit: Chrysler 300 / Dodge Charger / Magnum (05-10)
Cometic Gasket 6.1L Gen-3 Hemi Top End MLS Gasket Kit: Chrysler 300 / Dodge Charger / Magnum (05-10)
usa

Cometic Gasket 6.1L Gen-3 Hemi Top End MLS Gasket Kit: Chrysler 300 / Dodge Charger / Magnum (05-10)

Cometic Gasket

Regular price $469.53 $436.66 7% off

Unit price
per 

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

Cometic Gasket 6.1L Gen-3 Hemi Top End MLS Gasket Kit: Fits Chrysler / Dodge / Jeep (05-10)

Cometic Gasket

Regular price $431.69 $401.47 7% off

Unit price
per 

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

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

Cometic Gasket

Regular price $483.62 $449.77 7% off

Unit price
per 

Cometic Gasket 6.4L Gen-3 Hemi .070in MLS Cyl Head Gskt RHS: Fits most 6.4L Hemi Models
Cometic Gasket 6.4L Gen-3 Hemi .070in MLS Cyl Head Gskt RHS: Fits most 6.4L Hemi Models
usa

Cometic Gasket 6.4L Gen-3 Hemi .070in MLS Cyl Head Gskt RHS: Fits most 6.4L Hemi Models

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic Gasket Aluminum MLS Head Gasket .036 (F&R): Chrysler 300 / Dodge Charger / Magnum (05-10)
Cometic Gasket Aluminum MLS Head Gasket .036 (F&R): Chrysler 300 / Dodge Charger / Magnum (05-10)
usa

Cometic Gasket Aluminum MLS Head Gasket .036 (F&R): Chrysler 300 / Dodge Charger / Magnum (05-10)

Cometic Gasket

Regular price $112.63 $101.37 10% off

Unit price
per 

Cometic Gasket Aluminum MLS Head Gasket .051 (F&R): Chrysler 300 / Dodge Charger / Magnum (05-10)
Cometic Gasket Aluminum MLS Head Gasket .051 (F&R): Chrysler 300 / Dodge Charger / Magnum (05-10)
usa

Cometic Gasket Aluminum MLS Head Gasket .051 (F&R): Chrysler 300 / Dodge Charger / Magnum (05-10)

Cometic Gasket

Regular price $112.63 $101.37 10% off

Unit price
per 

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

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

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic Gasket Chrysler 5.7L Gen-3 Hemi .045in MLS Cylinder Head Gasket 4.100in Bore RHS
Cometic Gasket Chrysler 5.7L Gen-3 Hemi .045in MLS Cylinder Head Gasket 4.100in Bore RHS
usa

Cometic Gasket Chrysler 5.7L Gen-3 Hemi .045in MLS Cylinder Head Gasket 4.100in Bore RHS

Cometic Gasket

Regular price $112.63 $101.37 10% off

Unit price
per 

Cometic Gasket Chrysler 5.7L Gen-3 Hemi .086in MLS Cylinder Head Gasket 4.100in Bore RHS
Cometic Gasket Chrysler 5.7L Gen-3 Hemi .086in MLS Cylinder Head Gasket 4.100in Bore RHS
usa

Cometic Gasket Chrysler 5.7L Gen-3 Hemi .086in MLS Cylinder Head Gasket 4.100in Bore RHS

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Gasket Chrysler 5.7L Gen-3 Hemi .098in MLS Cylinder Head Gasket 4.100in Bore RHS
Cometic Gasket Chrysler 5.7L Gen-3 Hemi .098in MLS Cylinder Head Gasket 4.100in Bore RHS
usa

Cometic Gasket Chrysler 5.7L Gen-3 Hemi .098in MLS Cylinder Head Gasket 4.100in Bore RHS

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Gasket Fiber Intake Gasket: Fits Chrysler / Dodge / Jeep (05-10) w/ 6.1L Gen-3 Hemi
Cometic Gasket Fiber Intake Gasket: Fits Chrysler / Dodge / Jeep (05-10) w/ 6.1L Gen-3 Hemi
usa

Cometic Gasket Fiber Intake Gasket: Fits Chrysler / Dodge / Jeep (05-10) w/ 6.1L Gen-3 Hemi

Cometic Gasket

Regular price $41.48 $37.33 10% off

Unit price
per 

Cometic Gasket Fiber Intake Manifold Gasket Kit: Fits Chrysler / Dodge / Jeep SRT8 (05-10)
Cometic Gasket Fiber Intake Manifold Gasket Kit: Fits Chrysler / Dodge / Jeep SRT8 (05-10)
usa

Cometic Gasket Fiber Intake Manifold Gasket Kit: Fits Chrysler / Dodge / Jeep SRT8 (05-10)

Cometic Gasket

Regular price $66.87 $60.19 10% off

Unit price
per 

Cometic Gasket MLS Cylinder Head Gasket .030in: Fits Chrysler / Dodge / Jeep 6.1L Gen-3 HEMI (05-10)
Cometic Gasket MLS Cylinder Head Gasket .030in: Fits Chrysler / Dodge / Jeep 6.1L Gen-3 HEMI (05-10)
usa

Cometic Gasket MLS Cylinder Head Gasket .030in: Fits Chrysler / Dodge / Jeep 6.1L Gen-3 HEMI (05-10)

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic Gasket MLS Cylinder Head Gasket .036in (LHS): Fits Dodge / Chrysler / Jeep / Ram (03-26)
Cometic Gasket MLS Cylinder Head Gasket .036in (LHS): Fits Dodge / Chrysler / Jeep / Ram (03-26)
usa

Cometic Gasket MLS Cylinder Head Gasket .036in (LHS): Fits Dodge / Chrysler / Jeep / Ram (03-26)

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic Gasket MLS Cylinder Head Gasket LHS: Chrysler / Dodge / Jeep / Ram (11-19) 6.4L Gen-3 Hemi
Cometic Gasket MLS Cylinder Head Gasket LHS: Chrysler / Dodge / Jeep / Ram (11-19) 6.4L Gen-3 Hemi
usa

Cometic Gasket MLS Cylinder Head Gasket LHS: Chrysler / Dodge / Jeep / Ram (11-19) 6.4L Gen-3 Hemi

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic Gasket MLS Cylinder Head Gasket RHS: Fits Chrysler / Dodge / Jeep / Ram (03-15)
Cometic Gasket MLS Cylinder Head Gasket RHS: Fits Chrysler / Dodge / Jeep / Ram (03-15)
usa

Cometic Gasket MLS Cylinder Head Gasket RHS: Fits Chrysler / Dodge / Jeep / Ram (03-15)

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

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

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

Cometic Gasket

Regular price $107.27 $96.54 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 $169.17 $152.26 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 $156.31 $140.68 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 $156.31 $140.68 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