EAGLE SPECIALTY PRODUCTS 3SR235835365 Billet Crankshaft 793348006819 SR20 4340

( Brand: Eagle Specialty Products ), ( Manufacturer Part Number: 3SR235835365 ), ( Type: Engine Crankshaft ), ( Performance Part: Yes ), ( UPC: 793348006819 )

Review EAGLE SPECIALTY PRODUCTS Nissan 4340 Billet Crankshaft

The **Eagle Specialty 3SR235835365 billet crankshaft** is a meticulously engineered, high-performance replacement part designed exclusively for the legendary **Nissan SR20DE engine**, specifically tailored to accommodate the **4340 billet crankshaft application**. Crafted from premium **4340 alloy steel**, this crankshaft is forged to exacting standards, ensuring superior strength, durability, and resistance to fatigue critical attributes for high-revving, high-stress applications. The **billet construction** eliminates the grain boundaries and inconsistencies found in cast components, delivering a homogeneous, ultra-strong material that can withstand extreme loads without compromising integrity. Each journal and main bearing surface is **precision-machined to tight tolerances**, often featuring **ground or polished finishes** for reduced friction and enhanced oil retention, which is essential for maintaining peak performance in forced-induction or high-RPM setups. The **counterweights** are dynamically balanced to minimize vibration, a critical consideration for engines running at elevated RPMs, ensuring smoother operation and prolonged component life. This crankshaft is a direct replacement for the stock unit, maintaining identical bolt patterns, rod journal diameters, and main bearing spacing, making it a seamless upgrade for enthusiasts seeking to enhance reliability, power output, or durability in their SR20. Whether used in a **high-performance street engine, drift application, or competition setup**, the **Eagle Specialty 3SR235835365** delivers the structural integrity and precision engineering required to push the limits of the SR20 platform without sacrificing longevity. Backed by Eagle s reputation for quality and backed by rigorous testing, this billet crankshaft is a trusted choice for those who demand nothing less than the finest in aftermarket engine components.

### **Pros and Cons of buying a Eagle Specialty 3SR235835365 Billet Crankshaft for a Nissan SR20DE (4340 Billet Crankshaft)**

1. **Improved Strength and Durability** A billet crankshaft is forged from a single piece of high-quality steel, eliminating the welds and cast imperfections found in stock or aftermarket cast cranks. This results in better fatigue resistance, making it ideal for high-performance applications, forced induction, or aggressive driving.

2. **Higher RPM and Power Potential** The 4340 billet crankshaft is designed to handle higher stress levels, allowing for increased engine revving and power output. This is particularly beneficial for turbocharged or supercharged SR20 builds where stock components may fail under extreme loads.

3. **Precision Machining** Billet cranks undergo rigorous machining and balancing, ensuring smoother operation and reduced vibration compared to stock or aftermarket cast cranks. This can lead to better longevity and reliability, especially in high-performance setups.

4. **Compatibility with Stock and Aftermarket Parts** The Eagle Specialty crank is designed to fit standard SR20DE applications, meaning it can be used with stock rods, bearings, and other components without major modifications. However, some aftermarket rod kits or custom builds may require additional adjustments.

5. **Enhanced Reliability for Forced Induction** If you plan to run a turbo or supercharger, a billet crank is a safer choice than a stock or even a cast aftermarket crank, as it can better withstand the increased stress from boosted pressures.

6. **Long-Term Investment** While the upfront cost is higher, a billet crank is a durable, high-quality component that can last the life of the engine if properly maintained, making it a cost-effective choice in the long run.

7. **Better for High-Torque Applications** If your build involves heavy-duty applications (e.g., drag racing, towing, or high-torque forced induction), a 4340 billet crank provides the necessary strength to prevent catastrophic failure.

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1. **Higher Cost** Billet cranks are significantly more expensive than stock or even cast aftermarket cranks. The Eagle Specialty 3SR235835365 is a premium product, and the price reflects its quality. This can be a major investment, especially for budget-conscious builds.

2. **Requires Supporting Modifications** Simply replacing the crank with a billet may not be enough for high-performance applications. You may need to upgrade rods, bearings, oil pump, and other components to fully utilize the crank s potential. Ignoring these upgrades could lead to premature failure.

3. **Installation Complexity** Installing a billet crank requires careful attention to balancing, rod bearing clearance, and proper assembly techniques. If not done correctly, it can lead to issues like rod knock or bearing failure. This may necessitate professional installation or additional expertise.

4. **Limited Availability of Aftermarket Parts** While the crank itself is compatible with the SR20, some aftermarket rod kits or custom components may not be designed for billet cranks. You may need to source specific parts to ensure proper fitment.

5. **Potential for Overkill in Mild Builds** If your engine build is relatively mild (e.g., stock or low-boost turbo), a billet crank may be unnecessary. In such cases, a stock crank or a high-quality cast aftermarket crank could suffice, saving you money without sacrificing performance.

6. **Weight Consideration** Billet cranks are heavier than stock or some aftermarket cast cranks. While this adds strength, it can also increase rotating mass, which may slightly reduce high-RPM responsiveness unless paired with a lightweight flywheel or other balancing mods.

7. **Warranty and Return Risks** Since billet cranks are a high-end component, some sellers may have strict return policies or require proof of installation issues. Ensure you purchase from a reputable dealer with good customer support.

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The **Eagle Specialty 3SR235835365 4340 Billet Crankshaft** is an excellent choice for **high-performance SR20 builds**, particularly those involving forced induction, aggressive tuning, or high-RPM applications. Its superior strength, durability, and precision make it a reliable upgrade for serious enthusiasts. However, it is **not a necessary upgrade for stock or mild builds**, where a stock crank or a well-made cast aftermarket crank would suffice.

If you are planning a **turbocharged, supercharged, or high-revving SR20**, the billet crank is a **strong recommendation** provided you also upgrade supporting components like rods, bearings, and the oil system. For **mild builds**, the cost may not be justified, and you could save money while still improving reliability with a high-quality cast crank.

- **Buy it if:** You are building a **high-performance SR20 with forced induction, high boost, or aggressive tuning**, and you are willing to invest in supporting modifications.

- **Skip it if:** Your build is **stock or mildly modified**, as the cost may not be worth the benefit. In such cases, a **stock crank or a well-reviewed cast aftermarket crank** (e.g., from JE, Scat, or Eagle s lower-tier options) would be a more practical choice.

- **Consider alternatives:** If budget is a concern, look into **high-quality cast cranks** (e.g., Eagle s 4140 or 4340 cast options) or **used/rebuilt billet cranks** from trusted sources. Always ensure proper installation and supporting mods to maximize longevity.

Details:

Eagle knife-edged Billet 4340 steel cranks feature counterweights to dramatically reduce rotating weight.125 fillet radius's for superior strength so chambered / narrowed bearings required, nitrated surface and micro polished. While Eagle may not be the least expensive.125 fillet radius's for improved strength and rigidity. Eagle uses only certified steel in production of their cranks and rods. Some simply purchase generic Products and package in their boxes without having any control or input production.

No shortcuts are taken that might compromise the quality of finished piece. Manufacturer: Eagle Specialty Products, Part Number: 3SR235835365, condition: New: Billet 4340 Steel Crank - NISSAN SR20, 3.583 Stroke, KNIFE-EDGED COUNTERWEIGHTS. Service: Eagle connecting rods and cranks are designed manufactured to our specifications.

part #: 3sr235835365 prices

• $1581.99-$1935.80

specifications pistonrinro:

• for makes: Nissan, Eagle
• brand: Eagle Specialty Products
• mpn: 3sr235835365
• type: Engine Crankshaft
• performance part: Yes
• upc: 793348006819

returns pistonrinro:

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

payments pistonrinro:

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

shipping pistonrinro:

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

general pistonrinro:

• Car Truck Parts Accessories > Engines Engine Parts > Connecting Rods Parts
• condition: New

offer pistonrinro:

• options: Ship-to-home
• started: March 18, 2026
• availability: In Stock
• sold: 0
• quantity: 1

seller pistonrinro:

• # reviews: 124487
• city: San Leandro, California
• rating: 99.9%

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