PACKARD 354720 Nos Piston Ring Set Sixty Eighty Clipper

( Brand: Packard ), ( Manufacturer Part Number: 354720 ), ( Part Type: Ring Piston ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review PACKARD Nos Piston Ring Set Cyl One sixty eighty Clipper fits 1940-48

The **Packard 354720 NOS (New Old Stock) piston ring set**, originally manufactured between the model years **1940 and 1948** for the legendary **One-Sixty, One-Eighty, and Clipper** engines, represents a rare and highly sought-after component for vintage Packard enthusiasts. This meticulously preserved set of piston rings, still encased in its original packaging or carefully stored in pristine condition, embodies the craftsmanship of an era when American automotive engineering was at its peak. Designed to fit the iconic **Packard V-12 engines**, these rings were engineered to deliver exceptional durability, smooth operation, and optimal compression qualities that made Packard vehicles synonymous with luxury, performance, and reliability during their heyday. The **One-Sixty** (a 356-cubic-inch displacement variant) and **One-Eighty** (a 356-cubic-inch but higher-compression version) models, along with the **Clipper** (a more affordable yet equally refined V-12), all relied on these precision-machined rings to maintain their legendary power and refinement. The **354720** designation indicates a specific configuration tailored for the **1940-1948** engines, ensuring compatibility with the original cylinder bores and piston designs. Whether sourced from a meticulously curated collection, a private archive, or a trusted dealer specializing in pre-war automotive parts, this NOS ring set offers collectors and restorers an unparalleled opportunity to preserve or revive the mechanical integrity of their Packard. Beyond its functional value, owning such a piece is a testament to the enduring legacy of Packard s golden age, where attention to detail and engineering excellence set the standard for American automotive innovation. For those seeking authenticity in restoration, this piston ring set is not merely a replacement part it is a tangible link to a time when craftsmanship and performance were inseparable.

### Pros and Cons of Buying a Packard 354720 NOS (1940-48) Piston Ring Set (One-Sixty, One-Eighty, Clipper)

1. **New Old Stock (NOS) Quality** The piston rings are unused and in original packaging, ensuring they meet the manufacturer s original specifications. This reduces the risk of wear or damage from prior use, which can be a concern with used parts.

2. **Precision Fit for Classic Engines** Packard s 354720 rings are designed specifically for their V-8 engines from the 1940s and 1948 models (One-Sixty, One-Eighty, Clipper). This means they are engineered to match the engine s bore size, compression ratio, and performance expectations, which is critical for optimal power and longevity.

3. **Compatibility with Restorations** If you re restoring a Packard from this era, NOS parts like these rings ensure the engine will run as close to factory specifications as possible. This is especially valuable for enthusiasts who prioritize authenticity and performance.

4. **Durability and Performance** Proper piston rings are essential for sealing combustion, reducing oil consumption, and maintaining compression. High-quality NOS rings like these can improve engine efficiency, reduce blow-by, and extend the life of the cylinder walls.

5. **Ease of Installation** Since the rings are new, they should install more smoothly than used rings that may be worn or stretched. This can save time and reduce the risk of damage during installation.

6. **Historical Accuracy** For collectors or restorers who value historical accuracy, NOS parts are ideal because they were never installed in a real engine. This preserves their original condition and ensures they meet the standards of the era.

7. **Potential for Increased Resale Value** If you re restoring a Packard for sale or display, using NOS parts can enhance its value in the collector s market, as original or near-original components are highly sought after.

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1. **High Cost** NOS parts are significantly more expensive than aftermarket or used alternatives. The price reflects their rarity, original condition, and the effort required to source them. This can be a substantial investment, especially if you re working on a budget.

2. **Limited Availability** NOS parts for vintage engines, particularly those from the 1940s, are becoming increasingly scarce. The supply chain for these items is often limited, which can make them difficult to find and may require patience or multiple sources to locate.

3. **Potential for Overkill** If your Packard engine is heavily modified or runs on non-standard fuels (e.g., modern high-octane blends), NOS rings may not offer a significant advantage over high-quality aftermarket rings designed for modern use. In some cases, aftermarket rings may even be more suitable for performance or reliability.

4. **Storage and Handling Risks** NOS parts are often stored in original packaging that may not be designed for long-term preservation. Exposure to moisture, temperature fluctuations, or improper handling could degrade the rings before installation. You ll need to ensure they are stored properly (e.g., in a dry, climate-controlled environment) until use.

5. **Installation Expertise Required** While NOS rings are easier to install than worn-out used rings, improper installation (e.g., incorrect gap sizing, improper tension, or incorrect orientation) can still cause issues like scoring, oil consumption, or poor sealing. This requires careful attention to the installation process, which may not be straightforward for inexperienced mechanics.

6. **Compatibility with Modern Additives** Modern engine oils and additives are formulated differently than those used in the 1940s. While NOS rings are compatible with modern oils, some enthusiasts prefer to use vintage oils or additives to match the original specifications. This can add complexity and cost to the restoration.

7. **Time-Consuming Sourcing** Finding a reputable seller for NOS parts can be time-consuming. You ll need to verify the authenticity of the parts, ensure they are genuine NOS (not "like-new" or reconditioned), and confirm that they are compatible with your specific engine variant. This process can delay your project.

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Buying a Packard 354720 NOS piston ring set for your 1940-48 engine is a decision that hinges on your priorities as a restorer or enthusiast. If your goals are **historical accuracy, authenticity, and long-term reliability** especially for a show car or a project you plan to keep for decades then the benefits of NOS parts outweigh the drawbacks. The investment in quality and precision will pay off in terms of performance, resale value, and the satisfaction of using original components.

However, if your budget is tight, you re working on a heavily modified engine, or you prioritize convenience and cost-effectiveness, **aftermarket piston rings** (from reputable manufacturers like Fel-Pro, Sealed Power, or Crane) may be a more practical alternative. Aftermarket rings are often just as durable, if not better, for modern use and can be sourced more easily and affordably.

For most **restoration projects where authenticity is key**, the NOS option is the superior choice. For **performance or budget-focused builds**, aftermarket rings are likely sufficient.

- **If restoring a Packard for show, collection, or historical accuracy:** Purchase the NOS Packard 354720 piston ring set. The value of original parts in preserving the engine s heritage and potential resale value justifies the cost.

- **If restoring for personal use, performance, or on a budget:** Consider high-quality aftermarket rings (e.g., Fel-Pro or Crane) that are specifically designed for Packard engines. These will offer similar performance benefits without the premium price of NOS parts.

- **If unsure about installation:** Consult a professional mechanic or Packard specialist to ensure the rings are properly sized and installed, especially if you re new to engine work.

Ultimately, weigh the long-term benefits against the immediate costs and your project s goals to make the best decision for your Packard.

Details:

The Packard part number is 354720. These rings are for 3 1/4 pistons. This set is still in the original Packard box with literature and instructions. This is a new old stock standard size piston ring set for 1941-48 Packard 8 cylinder automobiles, made by Perfect Circle.

part #: 354720 price

• $75.00

specifications pistonringro:

• for years: 1940-48
• brand: Packard
• mpn: 354720
• part type: Ring Piston
• vintage part: Yes
• country of origin: United States

returns pistonringro:

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

seller pistonringro:

• rating: 100.0%
• city: Monroe, Michigan
• # reviews: 3407

offer pistonringro:

• availability: In Stock
• started: April 30, 2026
• options: Ship-to-home
• sold: 0
• quantity: 1

payments pistonringro:

• credit card: Mastercard
• wallet: Paypal
• other

general pistonringro:

• Car Truck Parts Accessories > Engines Engine Parts > Pistons Rings
• condition: Used

shipping pistonringro:

• class: Expedited
• service: USPS Priority Mail
• type: Calculated
• transit: 4-7 Days
• cost: $12.06
• carrier: USPS

Packard 354720 Is Similar To:

• Packard 235-p Vintage Pistons Set Of 8 Nos Ertel 030 (40.9% similar) All I have to go on is the manufacturer information box. Made by etl products company. Pistons are for an engine with overbore of .030. These are an nos set of 8 pistons for a Packard automobile. Part # 235-P. I am not sure of the year or engine. They have the wrist pins and come with 31 clips not ...(March 1st, 2026)