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  3. MODULAR RACING MMR 422440

MODULAR MOTOR RACING MMR 422440 Billet Crankshaft Timing Gear 5.4L

fits model: Gt500, Shelby. year: 2007–2014.

422440 Modular Motor Racing Mmr Billet Crankshaft Timing Gear 2007-2014 Shelby Gt500 5.4l

( Brand: Modular Motor Racing Mmr ), ( Type: Billet Crankshaft Timing Gear ), ( Manufacturer Part Number: 422440 ), ( Material: Steel ), ( Vintage Part: No ), ( Finish: Unfinished ), ( Country Of Origin: United States ), ( Performance Part: Yes )

Review MODULAR MOTOR RACING MMR Racingmm Billet Crankshaft Timing Gear 5.4l fits SHELBY GT500 2007–2014

The MMR 422440 Billet Crankshaft Timing Gear is a high-performance upgrade for the 2007-2014 Shelby GT500 cars equipped with the 5.4L supercharged engine. This billet aluminum timing gear is designed to provide enhanced durability, precision, and reliability compared to the factory unit.

Manufactured using 6061-T6 billet aluminum, this timing gear boasts superior strength and rigidity. Its billet construction eliminates the possibility of weak spots that could potentially develop in the factory casting, making it an excellent choice for high-performance applications.

The MMR 422440 Billet Crankshaft Timing Gear features a precision-machined tooth profile, ensuring smooth and accurate engagement with the camshaft and crankshaft. This results in improved timing consistency, which is crucial for optimal engine performance.

Additionally, this timing gear includes an upgraded timing chain tensioner, which ensures proper chain tension and eliminates the possibility of chain slippage. This is particularly important in high-performance applications where increased power output can put additional stress on the timing chain.

The MMR 422440 Billet Crankshaft Timing Gear is a direct replacement for the factory unit, making installation straightforward and hassle-free. It comes with all necessary hardware for installation and is compatible with both stock and performance camshafts.

In summary, the MMR 422440 Billet Crankshaft Timing Gear is an excellent upgrade for Shelby GT500 owners seeking improved engine durability, precision, and reliability. Its billet construction, precision-machined tooth profile, and upgraded timing chain tensioner make it a worthy investment for those looking to extract the maximum performance from their 5.4L supercharged engine.

The MMR 422440 billet crankshaft timing gear for the 2007-2014 Shelby GT500 5.4L engine is a performance upgrade aimed at improving the durability and precision of the crankshaft timing system. Here are some pros and cons of buying this part:

Pros:

1. Enhanced durability: The billet construction of the timing gear ensures greater strength and resistance to wear and tear compared to the factory-installed cast iron timing gear.

2. Improved precision: The MMR timing gear is manufactured to tight tolerances, ensuring accurate tooth engagement and improved timing between the crankshaft and camshaft.

3. Reduced noise: The billet timing gear can help reduce the noise generated by the timing system, leading to a quieter engine operation.

4. Increased power potential: Although not the primary reason for purchasing this part, some users have reported increased power and torque due to the improved timing precision.

Cons:

1. Cost: The MMR billet timing gear is more expensive than the factory-installed timing gear, making it a significant investment for some enthusiasts.

2. Installation complexity: Installing the MMR timing gear requires the removal of the engine's timing cover, camshafts, and crankshaft pulleys. This process can be time-consuming and may require additional tools and expertise.

3. Potential for damage during installation: Improper installation of the billet timing gear can result in damage to the engine components, potentially leading to expensive repairs.

Conclusion:

The MMR 422440 billet crankshaft timing gear is an excellent upgrade for enthusiasts seeking improved durability, precision, and reduced engine noise in their Shelby GT500 5.4L. However, it comes with a higher cost and increased installation complexity compared to the factory-installed timing gear. Proper installation and the use of high-quality tools are essential to avoid potential damage and ensure the best possible results.

Recommendation:

If you are an enthusiast looking for a significant performance upgrade, the MMR billet crankshaft timing gear is an excellent choice. However, it is crucial to ensure you have the necessary expertise, tools, and budget to properly install the part. If you are unsure about your installation abilities, it may be advisable to consult a professional to perform the installation.

Details:

High-strength billet steel lower crankshaft timing gear designed for the 5.4L 4-valve supercharged Modular engine used in Shelby GT500. Includes: 1 Lower Crankshaft Timing Gear. Condition: New NOS R protective wrap presenting installation marks No damage. Material:Billet Steel.

Designed for direct replacement installation using factory timing components. Not compatible with: Mustang 4.6L or 5.0L 5.4L 3V engines Naturally aspirated applications.mm R Billet Lower Crankshaft Timing Gear / Crank Sprocket Manufacturer: Modular Motor sports Racing mm R Part Number: 422440.

specifications pumppruner:

  • for models: Gt500, Shelby
  • for years: 2007-2014
  • brand: Modular Motor Racing Mmr
  • type: Billet Crankshaft Timing Gear
  • manufacturer part number: 422440
  • material: Steel
  • vintage part: No
  • finish: Unfinished
  • country of origin: United States
  • performance part: Yes

seller pumppruner:

  • # reviews: 15
  • rating: 0.0%
  • city: Loveland, Colorado

offer pumppruner:

  • options: Ship-to-home
  • sold: 0
  • started: February 16, 2026
  • availability: In Stock
  • best offers: True
  • quantity: 1

general pumppruner:

  • condition: New
  • Car Truck Parts Accessories > Engines Engine Parts > Oil Pumps Parts

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shipping pumppruner:

  • class: Standard
  • carrier: USPS
  • service: USPS Ground Advantage
  • cost: $0.00
  • type: Calculated
  • transit: 4-8 Days

returns pumppruner:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days
for models: gt500, shelby, for years: 2007-2014, type: billet crankshaft timing gear, vintage part: no, finish: unfinished, country of origin: united states, performance part: yes,
category: auto parts > car truck parts accessories > engines engine parts > oil pumps parts, material: steel, sku: 10131950112968771,

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