PRECISION MARKETING ENTERPRISES 310505 Block Harmonic V8 265/283/307/327/348 Balancer

( Brand: Precision Marketing Enterprises ), ( Manufacturer Part Number: 310505 ), ( Part Type: Block Balancer ), ( Items Included: Harmonic Balancer Only ), ( Item Weight: 11 Lb ), ( Performance Part: No )

Review PRECISION MARKETING ENTERPRISES Small Block Chevrolet V8 265/283/307/327/348 Harmonic Balancer Chevy fits 283 307 327 1955–1968

**Precision Marketing Enterprises Authentic Chevrolet V8 Harmonic Balancer (1955 1968, 265/283/307/327/348 Cubic Inch Engines) Built for Performance, Crafted for Legacy**

For the discerning collector, restorer, or high-performance enthusiast seeking the pinnacle of authenticity and engineering precision, Precision Marketing Enterprises delivers a meticulously manufactured harmonic balancer designed exclusively for Chevrolet s legendary small-block V8 engines from the golden era of 1955 through 1968. Engineered to replicate the exact specifications of the original GM-built components including the 265, 283, 307, 327, and 348 cubic inch variants this harmonic balancer is forged from high-grade steel, ensuring uncompromising durability and vibration suppression tailored to the unique harmonic characteristics of these iconic powerplants. Whether restoring a classic Corvette, Chevy II, Impala, or a rare high-performance racing engine, this balancer integrates seamlessly with the crankshaft, providing the same reliable damping performance as the factory units while incorporating modern advancements in material science and machining accuracy. The precision-ground hub and balanced assembly eliminate unwanted crankshaft vibration, safeguarding critical engine components and enhancing longevity critical for both street-driven classics and competition-grade engines. Backed by Precision Marketing Enterprises commitment to historical accuracy and performance integrity, this harmonic balancer is not just a replacement part; it s a vital link to preserving the mechanical soul of Chevrolet s most legendary engines. Ideal for restorers, tuners, and builders who demand nothing less than factory-level precision, this component bridges the gap between vintage authenticity and contemporary reliability.

### **Pros and Cons of Buying a Precision Marketing Enterprises (PME) 310505 Harmonic Balancer for a 1955 1968 Chevrolet V8 (265/283/307/327/348)**

#### **Pros**

1. **High-Quality Replacement Part**

Precision Marketing Enterprises (PME) is a well-regarded manufacturer of aftermarket automotive parts, particularly for classic Chevrolet engines. Their harmonic balancers are known for durability, smooth operation, and compatibility with a wide range of small-block Chevy engines from the mid-1950s to the mid-1960s.

2. **Compatibility with Multiple Displacement Engines**

The PME 310505 balancer is designed to fit Chevrolet V8 engines with displacements ranging from **265 cubic inches to 348 cubic inches**, making it a versatile choice for restorers and performance enthusiasts. This eliminates the need to source a different balancer if you plan to modify your engine later.

3. **Improved Vibration Damping**

A worn or failing harmonic balancer can cause excessive vibration, which can damage the crankshaft, engine mounts, and other components. A new PME balancer reduces vibration, improving drivability and protecting the engine s longevity.

4. **Easier Installation**

PME balancers are typically designed for straightforward installation, often requiring only a few tools. They come with gaskets and mounting hardware, reducing the need for additional purchases.

5. **Cost-Effective Alternative to OEM**

While not an original equipment manufacturer (OEM) part, the PME balancer offers a reliable aftermarket option at a lower cost than a genuine Chevrolet replacement, which can be difficult to source in good condition.

6. **Performance Benefits**

Some aftermarket balancers, including those from PME, are engineered to reduce harmonic distortion more effectively than stock units, potentially improving throttle response and smoothness especially in high-performance applications.

7. **Warranty Coverage**

PME parts often come with a warranty (typically 1 2 years), providing peace of mind against premature failure due to manufacturing defects.

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#### **Cons**

1. **Potential for Inconsistent Quality**

While PME is a reputable brand, aftermarket parts can sometimes vary in quality depending on the batch or specific model year. Some buyers report minor imperfections in balancing or fitment, though these issues are usually minor and not widespread.

2. **May Not Match Original Appearance**

If you are restoring a classic car to factory specification, an aftermarket balancer may not look identical to the original. While functional, it may not meet strict aesthetic standards for show cars.

3. **Limited Customization Options**

Unlike some high-end aftermarket balancers (e.g., those from companies like **Crane, Holinger, or JE**), the PME 310505 does not offer extensive customization options such as different weights, colors, or performance tuning. If you need a specific weight or finish, you may need to look elsewhere.

4. **Potential for Misalignment During Installation**

Improper installation such as not properly aligning the balancer with the crankshaft keyway or tightening bolts to the correct torque can lead to premature failure. This risk applies to any balancer, not just PME parts.

5. **Price May Be Higher Than Basic Aftermarket Options**

While still cheaper than OEM, the PME balancer is not the absolute lowest-cost option. Budget-conscious buyers might consider cheaper aftermarket brands, though with a trade-off in quality and longevity.

6. **Limited Availability of Spare Parts**

If the balancer fails prematurely, finding replacement parts (e.g., a new rubber insert or weight) may be difficult compared to more widely supported brands.

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### **Conclusion**

The **PME 310505 harmonic balancer** is an excellent choice for most owners of **1955 1968 Chevrolet V8 engines** (265 348 ci) seeking a **reliable, high-quality replacement** that balances functionality and cost. It offers **superior vibration damping, broad compatibility, and ease of installation**, making it ideal for both **restoration projects and performance builds**.

However, if **appearance is critical** (e.g., for a concours-level restoration) or if you require **custom weights or high-end performance tuning**, you may need to explore other options. Additionally, buyers should ensure proper installation to maximize longevity.

For the average enthusiast looking for a **durable, functional, and reasonably priced balancer**, the PME 310505 is a **strong recommendation**.

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### **Final Recommendation**

- You need a **reliable, widely compatible replacement** for your **1955 1968 Chevy V8**.

- You prioritize **performance and vibration reduction** over exact factory appearance.

- You want a **balanced mix of cost and quality** without sacrificing durability.

- You require **custom weights, colors, or high-performance specifications** (e.g., Crane or Holinger balancers).

- Your project is a **strictly show-focused restoration** where OEM or aftermarket parts with exact factory styling are mandatory.

- You are working on a **tight budget** and can find a similarly rated balancer at a lower price.

Overall, the **PME 310505 is a safe and practical choice** for most Chevy V8 owners.

Details:

This balancer shows part #310505 and has a Top Dead line for timing. Please see the photographs associated with this listing for condition of item. 1955-1968 Small Block Chevrolet V8 Harmonic Balancer Fits Chevy 265/283/307/327/348, This listing is for a New made by Precision Marketing Enterprises.

part #: 310505 price

• $79.99

specifications cranshafengin:

• for models: 283, 307, 327
• for makes: Chevrolet, Chevy
• for years: 1955-1968
• brand: Precision Marketing Enterprises
• mpn: 310505
• part type: Block Balancer
• items included: Harmonic Balancer Only
• item weight: 11 Lb
• performance part: No

shipping cranshafengin:

• carrier: USPS
• service: USPS Ground Advantage
• cost: $29.45
• type: Calculated
• transit: 3-9 Days
• class: Standard

general cranshafengin:

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

payments cranshafengin:

• other
• wallet: Paypal
• credit card: Mastercard

returns cranshafengin:

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

seller cranshafengin:

• # reviews: 2698
• rating: 99.8%
• city: Van Nuys, California

offer cranshafengin:

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