MAZDA Msm Intake Camshaft Cam Shaft BP5A-12-420

( Manufacturer Part Number: BP5A12420 ), ( Type: Camshaft ), ( Ipn: Bp5a-12-420 ), ( Oe/oem Part Number: Bp5a-12-420, Bp5a12420 ), ( Items Included: Seal, Bolt ), ( Material: Rubber ), ( Vintage Part: No ), ( Country Of Origin: Japan )

Review MAZDA Msm Oem Intake In Bp5a Camshaft Cam Shaft #1 fits MIATA MX5 2004–2005

The Mazda BP5A12420 04-05 Miata MX-5 MSM Intake and Camshaft Kit is a high-performance upgrade for the fourth and fifth generation Mazda MX-5 Miata cars. This kit includes both an intake system and a camshaft, designed to enhance the engine's power output and improve overall performance.

Starting with the intake system, the BP5A12420 kit features a high-flow, conical air filter housed within a sleek and stylish aluminum intake manifold. The conical filter design provides a larger surface area for air to pass through, reducing restriction and allowing more air to enter the engine. The aluminum intake manifold is lighter than the stock component, reducing rotational mass and allowing the engine to respond more quickly.

Moving on to the camshaft, the BP5A12420 kit includes a high-performance camshaft designed to provide optimal power and torque throughout the RPM range. The camshaft features increased duration and lift, which allows for more complete and efficient combustion, resulting in more power. Additionally, the camshaft has been designed to work seamlessly with the intake system, ensuring optimal performance and efficiency.

The installation of the BP5A12420 kit is straightforward and can be completed by an experienced home mechanic or a professional shop. The kit comes with all necessary hardware and instructions for a hassle-free installation process.

In summary, the Mazda BP5A12420 04-05 Miata MX-5 MSM Intake and Camshaft Kit is a high-performance upgrade for the fourth and fifth generation Mazda MX-5 Miata cars. The kit includes a high-flow intake system with an aluminum manifold and a high-performance camshaft, designed to enhance power output and improve overall performance. The installation process is straightforward and the kit comes with all necessary hardware and instructions.

Pros and Cons of Buying Mazda BP5A12420 04-05 Miata MX-5 MSM Intake and Camshaft Kit

The Mazda BP5A12420 is a performance upgrade kit that includes both an intake system and a camshaft for the 04-05 Miata MX-5 models. This kit is designed to enhance the engine's power output and improve overall performance.

a. Increased Power: The intake and camshaft upgrade will result in a noticeable increase in horsepower and torque, providing a more responsive and thrilling driving experience.

b. Improved Engine Sound: The upgraded intake system allows for better airflow and a more aggressive engine sound, which is desirable for many car enthusiasts.

c. Enhanced Throttle Response: The camshaft upgrade helps to improve throttle response, making the car feel more lively and responsive, especially during acceleration.

a. Higher Fuel Consumption: With the increased power output, the car may consume more fuel, leading to higher operating costs.

b. Potential Emissions Increase: Depending on local regulations, the upgrade may result in increased emissions, requiring users to take additional steps to ensure compliance.

c. Installation Complexity: The installation process for this kit can be complex, requiring some mechanical knowledge and a significant amount of time.

The Mazda BP5A12420 04-05 Miata MX-5 MSM Intake and Camshaft Kit offers significant performance improvements, but it comes with some downsides, such as increased fuel consumption and emissions, as well as the complexity of the installation process.

For those seeking a more engaging and thrilling driving experience, the Mazda BP5A12420 kit can be a worthwhile investment, as long as they are willing to accept the potential downsides and are prepared for the installation process. Additionally, it's essential to ensure that local regulations regarding emissions comply with the upgrade. Alternatively, those who prioritize fuel efficiency or ease of use may prefer to avoid this performance upgrade.

Details:

Proudly servicing the Mazda Community for 19 Years. Item fits 2004 2005 Mazda Miata. From one grassroots enthusiast to another.

specifications cashalif:

• for models: Mx5, Miata
• for makes: Mazda
• for years: 2004-2005
• mpn: Bp5a12420
• type: Camshaft
• ipn: Bp5a-12-420
• oe/oem part number: Bp5a-12-420, Bp5a12420
• items included: Seal, Bolt
• material: Rubber
• vintage part: No
• country of origin: Japan

offer cashalif:

• sold: 0
• started: March 5, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 1

returns cashalif:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

shipping cashalif:

• service: UPS Ground
• cost: $0.00
• class: Standard
• carrier: UPS
• type: Fixed
• transit: 4-8 Days

payments cashalif:

• wallet: Apple-pay
• credit card: Discover
• other

general cashalif:

• Engines Engine Parts > Valvetrain Components > Camshafts
• condition: Used

seller cashalif:

• # reviews: 9425
• rating: 100.0%
• city: Greer, South Carolina

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