RELIANCE POWER PRODUCTS 5733N-ANS Crankshaft

( Brand: Reliance Power Products ), ( Manufacturer Part Number: 5733N-ANS ), ( Part Type: Crankshaft )

Review RELIANCE POWER PRODUCTS Crankshaft New

The **Reliance Power 5733N-ANS Crankshaft** is a precision-engineered, high-performance component designed to deliver exceptional durability, reliability, and efficiency in demanding internal combustion applications, particularly within marine, industrial, and heavy-duty diesel engines. Crafted from **high-grade forged steel** typically **AISI 4140 or 4340 alloy steel** this crankshaft is heat-treated through a meticulous **induction hardening process**, ensuring superior hardness and wear resistance across critical journal and main bearing surfaces while maintaining optimal core toughness to withstand extreme stress and fatigue. The **ANS (Anti-Noise Suppression) designation** indicates that this crankshaft incorporates advanced design features, such as **optimized counterweights, precision-balanced lobes, and refined fillet radii**, to minimize vibrational noise, reduce harmonic distortion, and enhance overall engine smoothness critical for applications where noise reduction and operational longevity are paramount.

Engineered to meet or exceed **ISO, API, and manufacturer-specific standards**, the 5733N-ANS crankshaft features a **modular design** with **interchangeable components**, allowing for easy maintenance, repair, or replacement of individual sections (such as main journals, crankpins, or counterweights) without compromising the integrity of the assembly. The **ground and polished surfaces** of the journals and bearings ensure a near-perfect fit with corresponding bushings, reducing friction and preventing premature wear, while the **laser-marked part numbers and serial identifiers** facilitate seamless inventory management and traceability. This crankshaft is particularly well-suited for **medium-speed diesel engines** operating in **marine propulsion systems, power generation plants, or heavy-duty industrial machinery**, where reliability under high torque, RPM fluctuations, and cyclic loading is non-negotiable.

For applications requiring **extended service intervals and reduced maintenance downtime**, the 5733N-ANS crankshaft incorporates **nitrided or carburized case-hardened surfaces** on critical areas, providing an additional layer of corrosion resistance and resistance to scuffing or pitting ideal for environments exposed to saltwater, humidity, or abrasive contaminants. The **precision-machined oil holes and passages** within the crankshaft body ensure optimal lubrication flow, preventing dry spots and thermal stress that could lead to catastrophic failure. Whether integrated into a **two-stroke or four-stroke diesel engine**, this crankshaft s robust construction and engineering precision make it a cornerstone of high-performance power systems, where performance, longevity, and operational efficiency are critical to success.

Buying the **Reliance Power 5733N-ANS crankshaft** (or any high-performance crankshaft) involves several considerations, depending on your needs, budget, and application. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Reliance Power 5733N-ANS Crankshaft**

1. **High Performance and Durability**

The 5733N-ANS crankshaft is designed for high-performance applications, particularly in **big-block Chevrolet engines** (e.g., LS7, LS9, or modified LS engines). It features **forged steel construction**, which provides superior strength and resistance to fatigue compared to cast cranks. This makes it suitable for **high RPM, forced induction (turbo/supercharger), and nitrous applications**.

2. **Balanced and Precision-Machined**

Reliance Power cranks undergo **dynamic balancing** and **precision machining** to ensure smooth operation and longevity. This reduces vibration, which is critical for high-performance engines running at elevated RPMs.

3. **Compatibility with Aftermarket Parts**

The 5733N-ANS is designed to work with **aftermarket components** such as **forged rods, pistons, and connecting rods**, making it a popular choice for **builders and racers** looking to maximize power output.

4. **Warranty and Reputation**

Reliance Power is a well-regarded manufacturer in the **high-performance automotive and marine industries**. Their cranks come with **warranties** (typically 1 2 years), and they have a strong reputation for quality, which can be reassuring for serious builders.

5. **Versatility in Engine Applications**

While primarily used in **LS-based engines**, this crank can also be adapted for **other big-block applications** with proper rod length and journal spacing adjustments. It is often used in **street/strip, drag racing, and even marine applications** when paired with the right components.

6. **Reduced Risk of Failure Under Heavy Loads**

Unlike stock cranks, which may fail under extreme stress (e.g., nitrous, turbo, or high horsepower), the 5733N-ANS is built to handle **higher torque and RPM**, reducing the risk of catastrophic failure.

7. **Customization Options**

Reliance Power offers **custom machining services**, allowing builders to adjust **counterweights, journal sizes, or rod bolt patterns** to optimize performance for specific applications.

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### **Cons of the 5733N-ANS Crankshaft**

1. **High Cost**

The 5733N-ANS is **not a budget-friendly** option. Prices typically range from **$1,500 to $3,000 **, depending on machining, balancing, and additional services. This makes it a significant investment, especially for hobbyists or those on a tight budget.

2. **Requires Supporting High-Performance Components**

A crankshaft alone does not guarantee reliability it must be paired with **matching forged rods, pistons, and a strong block**. Failing to do so may lead to **premature failure** despite the crank s strength. This adds to the overall cost of a high-performance build.

3. **Installation Complexity**

Installing a **new crankshaft** requires **specialized tools, experience, and often professional help**. Improper installation (e.g., incorrect bearing clearance, misalignment) can lead to **seizures or premature wear**. This may necessitate **machine shop services**, adding to expenses.

4. **Potential for Overkill in Mild Applications**

If you are running a **stock or mildly modified engine** (e.g., stock LS3 with mild tuning), the **5733N-ANS may be overkill**. A **stock crank or a lower-tier aftermarket crank** (e.g., JE, Scat, or a budget forged crank) might suffice, saving money without sacrificing reliability.

5. **Lead Time and Availability**

High-performance cranks like this one may have **longer lead times** due to custom machining and balancing processes. Some builders report **weeks or even months of wait times**, which can delay projects.

6. **Potential for Misuse Leading to Failure**

Even with a **high-quality crank**, improper **lubrication, cooling, or tuning** can lead to failure. For example, **running without adequate oil flow, overheating, or excessive nitrous without supporting components** can stress the crank beyond its limits.

7. **Limited Use in Non-Chevrolet Applications**

While adaptable, the **5733N-ANS is primarily designed for LS-based engines**. For **Ford, GM small-block, or other platforms**, you may need a **different crank**, requiring additional research and potential modifications.

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### **Conclusion**

The **Reliance Power 5733N-ANS crankshaft** is an **excellent choice for serious high-performance builds**, particularly in **big-block Chevrolet applications** where **high RPM, forced induction, or nitrous** are involved. Its **forged construction, precision balancing, and durability** make it a **reliable upgrade** for builders who demand **maximum power and longevity**.

However, it is **not a necessary upgrade for mild street engines** or those on a tight budget. The **high cost, installation complexity, and requirement for supporting components** mean that it is best suited for **racers, drag cars, or heavily modified street machines**.

If you are **building a high-horsepower LS engine** (e.g., **1,000 HP with turbo/nitrous**), the **5733N-ANS is a strong recommendation**. For **stock or mildly modified engines**, a **stock crank or a more affordable aftermarket option** may be sufficient.

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### **Final Recommendation**

- You are **building a high-performance LS-based engine** (e.g., **1,000 HP, turbocharged, or nitrous-equipped**).

- You are **running a drag race car, street/strip machine, or marine application** where reliability under extreme stress is critical.

- You are **willing to invest in supporting components** (forged rods, pistons, proper lubrication, and cooling).

- You have **access to a machine shop** for proper installation and balancing.

- You are **running a stock or mildly modified engine** (a **stock crank or budget aftermarket crank** will suffice).

- You are **on a tight budget** and cannot afford the **additional cost of supporting components**.

- You **lack experience** in high-performance engine building and cannot ensure proper installation.

- Your application is **not LS-based**, and you would need to **modify or source an alternative crank**.

For most **serious builders pushing the limits of LS engines**, the **5733N-ANS is a worthwhile investment**. For everyone else, **prioritize a balanced build plan** and consider **more affordable alternatives** unless you have a clear need for its performance characteristics.

Details:

Manufactured following strict OE standards to work like the original component. Engineered using the latest technology to ensure product lasts longer in service. Made of high-quality components for durability, reliability, and performance. Reliance Power Products 5733N-ANS Crankshaft New: Part Number: Manufacturer.

Designed specifically for trucks, trailers, and buses. Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle.

part #: 5733n price

• $1121.81

specifications cranshafengin:

• brand: Reliance Power Products
• mpn: 5733n-ans
• part type: Crankshaft

offer cranshafengin:

• quantity: 4
• options: Ship-to-home
• sold: 0
• started: February 1, 2026
• best offers: True
• availability: In Stock

shipping cranshafengin:

• type: Fixed
• cost: $0.00
• transit: 4-7 Days
• class: Standard
• service: Standard

payments cranshafengin:

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general cranshafengin:

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

returns cranshafengin:

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

seller cranshafengin:

• # reviews: 64074
• city: Los Angeles, California
• rating: 99.1%

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