BRIDGEWAY FS-018A-4000-6385 Forged Standard Crankshaft

( Brand: Bridgeway ), ( Manufacturer Part Number: FS-018A-4000-6385 ), ( Part Type: Crankshaft ), ( Material: Steel )

Review BRIDGEWAY Forged Standard Weight Crankshaft Chevy fits 454

The **Bridgeway FS-018A-4000-6385 Forged Standard Crankshaft** is a premium, high-performance replacement part designed specifically for Chevrolet s legendary **454 cubic-inch big-block V8 engine**, ensuring peak reliability, durability, and power output. Crafted from **fully machined 4340 alloy steel**, this crankshaft is forged to exacting standards, delivering superior strength and resistance to fatigue, warping, and stress critical factors for engines that demand sustained high RPM performance, heavy towing, or extreme racing applications. The **balanced and dynamically corrected** design eliminates harmful vibrations, enhancing engine smoothness and longevity, while the **precision-ground journals and counterweights** ensure optimal bearing clearance and reduced friction, allowing the 454 to rev with confidence and efficiency. With a **7.000-inch stroke** and **1.600-inch main journal diameter**, this crankshaft is engineered to handle the immense torque and horsepower generated by both stock and modified 454 engines, whether in muscle cars, classic cruisers, or high-performance street rods. The **standard rod journal diameter of 2.200 inches** provides ample clearance for aftermarket rods, while the **integrated oil holes** promote consistent lubrication, protecting critical components under heavy loads. Whether restoring a vintage Chevy to its former glory or pushing a modified 454 to new limits, this crankshaft serves as an indispensable upgrade, combining heritage engineering with modern performance standards to ensure your engine runs with the strength and precision of a factory-built powerplant.

Buying a **Bridgeway FS-018A-4000-6385 forged standard crankshaft** for a Chevy 454 engine involves several considerations. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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### **Pros of Purchasing This Crankshaft**

1. **Forged Construction** Forged cranks are stronger and more durable than cast cranks, reducing the risk of catastrophic failure. They handle high RPMs, heavy loads, and extreme stress better, making them ideal for high-performance applications.

2. **Precision Machining** Bridgeway cranks are CNC-machined to tight tolerances, ensuring balanced and smooth operation. This reduces vibration and improves longevity, especially in forced-induction or high-torque applications.

3. **Compatibility with Chevy 454** The **FS-018A** is designed specifically for the **LS-based 454** (or similar displacement engines with the same rod journal spacing). It maintains the stock rod journal spacing (4.250" center-to-center) while offering upgraded strength.

4. **Balanced for Performance** The crank is dynamically balanced, which helps reduce engine harmonics and improves reliability, particularly in high-RPM applications like supercharging or turbocharging.

5. **Warranty and Reputation** Bridgeway is a well-regarded manufacturer in the aftermarket, offering warranties on their products. Their cranks are often used in professional racing and high-performance builds, indicating reliability.

6. **Customization Options** If needed, Bridgeway can provide custom grinding or balancing to match specific engine specifications, though this may incur additional costs.

7. **Cost-Effective Upgrade** While more expensive than an OEM crank, a forged crank is still more affordable than some premium brands (e.g., Eagle, Manley) and offers a strong performance-to-cost ratio.

8. **Maintains Stock Dimensions** Unlike some aftermarket cranks that require rod or bearing upgrades, this crank fits standard Chevy 454 rod lengths and main bearing caps, simplifying installation.

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### **Cons of Purchasing This Crankshaft**

1. **Higher Upfront Cost** A forged crank is significantly more expensive than an OEM or even a cast aftermarket crank. For a 454, prices typically range between **$1,200 $2,000 **, depending on additional services (e.g., custom balancing).

2. **Requires Supporting Upgrades** While this crank is strong, pairing it with a stock engine may not fully utilize its potential. To maximize performance, you may need:

- **Upgraded rods** (e.g., ARP or Eagle forged rods)

- **Stronger bearings** (e.g., Clevite or ISCO)

- **Reinforced block** (if running extreme power)

- **Upgraded pistons** (forged or hypereutectic)

This adds to the overall cost and complexity of the build.

3. **Installation Complexity** Replacing a crank requires removing the engine from the vehicle, disassembling the lower end, and ensuring proper alignment. If not done carefully, it can lead to damage or poor performance.

- **Rod length verification** (ensure they match the crank s rod journal spacing)

- **Main cap torque specs** (critical for longevity)

- **Proper lubrication** (high-quality oil and filters)

5. **Potential for Overkill** If the engine is not heavily modified (e.g., stock or mild bolt-ons), the extra strength of a forged crank may not be fully utilized. In such cases, a high-quality cast crank (e.g., Eagle or Manley) could be a more cost-effective choice.

6. **Limited Availability of OEM Parts** If the engine is heavily modified, finding OEM parts (e.g., seals, timing components) may become difficult, increasing reliance on aftermarket solutions.

7. **Time-Consuming Build Process** A full crank swap is a labor-intensive project, especially if combined with other upgrades (e.g., rods, bearings, pistons). This may not be ideal for quick or budget-friendly modifications.

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### **Conclusion**

The **Bridgeway FS-018A-4000-6385 forged crankshaft** is an excellent choice for **high-performance or heavily modified Chevy 454 engines**, particularly those running:

- **Forced induction (turbo/supercharger)**

- **High RPM applications (e.g., drag racing, street/strip builds)**

- **Severe duty cycles (towing, high-torque applications)**

It offers superior strength, precision, and reliability compared to OEM or cast cranks, making it a worthwhile investment for serious builders. However, it is **not necessary** for stock or mildly modified engines where a high-quality cast crank would suffice.

If your goal is **maximum durability and performance**, this crank is a strong recommendation. If you're working with a **budget or stock/lightly modified engine**, consider whether the cost justifies the upgrade.

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### **Final Recommendation**

- You are building a **high-performance 454** (e.g., turbocharged, supercharged, or high-RPM street/strip).

- You plan to run **extreme power levels** (e.g., 1,000 hp) and want the strongest possible lower end.

- You are willing to invest in **supporting upgrades** (rods, bearings, pistons) to complement the crank.

- Your build is **stock or mildly modified** (a cast crank may be sufficient).

- You are on a **tight budget** (explore other forged brands like Eagle or Manley, which may offer similar strength at a lower cost).

- You are not experienced with **engine rebuilds** (this project requires careful planning and execution).

For most **serious 454 performance builds**, this crank is a **highly recommended upgrade** that will significantly enhance reliability and power potential. Pair it with **proper supporting components** (e.g., ARP rods, ISCO bearings) for the best results.

Details:

Bridgeway FS-018A-4000-6385 Forged Standard Weight Crankshaft For BB Chevy 454. Similar to Scat 4-454-4000-6385, New in open box. Crankshafts have always been stored in a climate-controlled environment. Crankshaft Snout Style: Standard. Engine Stroke: 4.000 in.

Crankshaft Material: Forged 4340 steel Engine Balance: Internal Rear Main Seal Style: 2-piece Lightened: No requires Narrow Bearings: Yes Rod Bearings Included: Journal Diameter: 2.200 in. Main Journal Diameter: 2.749 in. Box shows signs of shelf life.

part #: fs018a40006385 price

• $699.00

specifications cranshafengin:

• for models: 454
• for makes: Chevy
• brand: Bridgeway
• mpn: Fs-018a-4000-6385
• part type: Crankshaft
• material: Steel

returns cranshafengin:

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

shipping cranshafengin:

• cost: $0.00
• transit: 4-10 Days
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• type: Fixed
• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery

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general cranshafengin:

• condition: New other see details
• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

offer cranshafengin:

• options: Ship-to-home
• sold: 0
• best offers: True
• quantity: 2
• started: April 3, 2026
• availability: In Stock

seller cranshafengin:

• city: Kearney, Nebraska
• rating: 99.7%
• # reviews: 911

Bridgeway FS-018A-4000-6385 Is Similar To:

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