BUICK 903-B46 Straight Camshaft 248

( Manufacturer Part Number: 903-B46 ), ( Type: Camshaft ), ( Material: Steel ), ( Vintage Part: Yes )

Review BUICK Straight Camshaft 248 Cu In

The Buick 903-B46 Straight Camshaft is a premium engine component designed for those seeking exceptional performance and reliability in their Buick vehicles. This camshaft, specifically engineered for straight six engines with a displacement of 248 cubic inches, is a crucial part of the engine's combustion process.

The 903-B46 Straight Camshaft is meticulously crafted from high-strength materials, ensuring durability and resistance to wear and tear. Its straight design allows for a more efficient intake and exhaust stroke, leading to improved engine power and torque. The precise camshaft timing contributes to smooth engine operation, ensuring a refined driving experience.

This camshaft features advanced hydrolapped cam lobes, which provide a smooth, polished surface for the valves to engage with. This results in reduced friction and improved engine efficiency. The camshaft's durable roller bearings contribute to its long-lasting performance, while its tapered roller design ensures a proper fit and minimal play for optimal engine performance.

The 903-B46 Straight Camshaft also includes hardened valve trains and improved valve seat materials, which enhance engine durability and reduce the risk of valve seat recession. This camshaft is designed to work seamlessly with your Buick engine, providing a reliable and high-performing upgrade for those seeking to enhance their vehicle's engine capabilities.

In summary, the Buick 903-B46 Straight Camshaft is a top-tier engine component that delivers improved power, torque, and efficiency. Its meticulously crafted design from high-strength materials, advanced hydrolapped cam lobes, and durable roller bearings contribute to its long-lasting performance and smooth engine operation. This camshaft is an excellent choice for those seeking a high-performing upgrade for their Buick vehicle.

Buick 903-B46 Straight Camshaft 248: A Detailed Analysis

The Buick 903-B46 Straight Camshaft 248 is an engine that has gained popularity among classic car enthusiasts and restoration projects. While it has its merits, it is essential to consider both the advantages and disadvantages before making a purchase.

1. Smooth Operating Engine: The straight-six engine design produces a smooth and balanced power delivery, which is desirable for classic cars that focus on driving experience.

2. Relative Rarity: The Buick 903-B46 Straight Camshaft 248 is a less common engine compared to more popular V8s. This rarity can make it an attractive option for collectors and enthusiasts.

3. Fuel Efficiency: Compared to larger V8 engines, the straight-six engine is generally more fuel-efficient due to its smaller size and fewer cylinders.

4. Cost-Effective: The Buick 903-B46 Straight Camshaft 248 is often more affordable than other engine options, making it a cost-effective choice for those on a budget.

1. Limited Power: The straight-six engine produces less power compared to larger V8 engines. This can result in less exhilarating performance, which may not be desirable for some enthusiasts.

2. Complexity: The Buick 903-B46 Straight Camshaft 248 is a complex engine, requiring more maintenance and care compared to simpler engines.

3. Availability of Parts: Due to its rarity, finding replacement parts for this engine can be challenging and potentially expensive.

4. Limited Aftermarket Support: The aftermarket for the Buick 903-B46 Straight Camshaft 248 is limited, making it difficult to find upgrades and performance enhancements.

The Buick 903-B46 Straight Camshaft 248 is a unique and desirable engine option for those who appreciate the smooth operating characteristics of a straight-six engine and the rarity of a less common engine. However, its limited power, complexity, and availability of parts are important considerations that must be weighed against the advantages before making a purchase.

If you are looking for an engine that offers a smooth driving experience and rarity, the Buick 903-B46 Straight Camshaft 248 could be an excellent choice. However, it is crucial to be prepared for the potential challenges of maintaining and sourcing parts for this engine. Additionally, consider your driving preferences and budget before making a decision. If you prioritize power and ease of maintenance, you may want to explore other engine options.

Details:

It should be considered a usable, re-grind able core. I cleaned off a couple of the lobes so you can see what is under grit and grime. I don't see any pitting that would prevent it from being reground. Used Camshaft for Buick Straight 8 Engine.

part #: 903b46 prices

• $149.99-$316.96

specifications cashalif:

• for makes: Buick
• mpn: 903-b46
• type: Camshaft
• material: Steel
• vintage part: Yes

payments cashalif:

• credit card: Diners-club
• other
• wallet: Google-pay

offer cashalif:

• quantity: 1
• best offers: True
• started: December 6, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0

shipping cashalif:

• transit: 6-12 Days
• type: Calculated
• cost: $31.59
• class: Standard
• carrier: USPS
• service: USPS Ground Advantage

general cashalif:

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

returns cashalif:

• policy: No Returns

seller cashalif:

• # reviews: 122
• rating: 0.0%
• city: Mesa, Arizona

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