JONES RACING PRODUCTS AL-5105-B-A-2.5 Pulley Alt Od Alt. 2.5IN 6-GRV Serpentine .669

( Brand: Jones Racing Products ), ( Manufacturer Part Number: AL-5105-B-A-2.5 ), ( Type: Alternator Pulleys ), ( Performance Part: Yes )

Review JONES RACING PRODUCTS Pulley Alt. 2.5in Od Serpentine .669 Id

The Jones Racing AL-5105-B-A-2.5 pulley is a high-performance serpentine alternative designed to enhance the power output and efficiency of your engine. This pulley is engineered specifically for 2.5-inch OD (outer diameter) engines, making it a perfect fit for certain applications. It is also equipped with a 6-groove belt design, ensuring a secure and reliable connection to the crankshaft or accessory drive system.

This pulley is manufactured using advanced aluminum alloy material, providing a significant weight reduction compared to its stock counterparts. This reduction in weight leads to improved engine response and reduced stress on the accessory drive system, ultimately resulting in longer belt life and increased power transmission.

The Jones Racing AL-5105-B-A-2.5 pulley also features an optimized belt wrap angle. This design not only reduces belt slippage but also ensures efficient power transfer between the engine and accessories. The smooth, polished finish of the pulley ensures a quiet operation, making it an excellent choice for those seeking both performance and refinement.

This pulley is a direct replacement for the stock pulley in various applications, making the installation process straightforward. The kit includes all necessary hardware for installation, ensuring a hassle-free experience.

In summary, the Jones Racing AL-5105-B-A-2.5 pulley is a high-performance upgrade for engines with a 2.5-inch OD. It offers significant weight reduction, optimized belt wrap angle, and a quiet operation, resulting in improved engine response, longer belt life, and increased power transmission. The straightforward installation process makes it a worthwhile investment for enthusiasts and racers seeking to extract the maximum potential from their engines.

The Jones Racing AL-5105-B-A-2.5 pulley kit is a serpentine alternator pulley designed for 2.5-inch OD (outer diameter) belts and 6-groove belts. Here are some potential pros and cons of purchasing this product:

1. High-performance design: This pulley kit is specifically designed for racing applications, which means it is engineered to deliver maximum power output and durability.

2. Lightweight: The pulley is made of billet aluminum, which makes it lighter than the stock pulley, reducing unsprung weight and potentially improving vehicle performance.

3. Improved cooling: The design of the pulley allows for increased airflow to the alternator, which can help maintain optimal operating temperature and prolong the life of the alternator.

4. Easy installation: The kit includes all necessary hardware for installation, making it a relatively straightforward process for most DIY enthusiasts.

5. Quality materials: The billet aluminum construction ensures a strong and durable product that can withstand the demands of high-performance racing applications.

1. Cost: The Jones Racing AL-5105-B-A-2.5 pulley kit is more expensive than a stock pulley. This may be a deterrent for some buyers who are working within a tight budget.

2. Specific application: This pulley kit is designed for specific vehicle applications and belt sizes, so it may not be a universal fit for all vehicles.

3. Potential for vibration: Since it is a high-performance pulley, it may generate more vibration than a stock pulley, which could potentially lead to noise or other issues.

In conclusion, the Jones Racing AL-5105-B-A-2.5 pulley kit offers several advantages for high-performance racing applications, including increased power output, improved cooling, and lightweight design. However, it also comes with some drawbacks, such as cost and potential vibration. Ultimately, the decision to purchase this product depends on the specific needs and budget of the buyer. If maximum power output and durability are priorities, then this pulley kit may be worth the investment. If, however, cost or vibration concerns are significant factors, then a stock pulley may be a better option.

Details:

Manufacturer: JONES RACING PRODUCTS.

part #: al5105ba25 prices

• $76.95-$96.21

specifications pulleyhop:

• brand: Jones Racing Products
• mpn: Al-5105-b-a-2.5
• type: Alternator Pulleys
• performance part: Yes

returns pulleyhop:

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

shipping pulleyhop:

• type: Fixed
• transit: 2-6 Days
• class: Standard
• service: Standard
• cost: $0.00

payments pulleyhop:

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

seller pulleyhop:

• city: San Leandro, California
• rating: 99.9%
• # reviews: 132852

offer pulleyhop:

• quantity: 5
• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: June 3, 2026

general pulleyhop:

• Car Truck Parts Accessories > Accessory Belts > Pulleys
• condition: New

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