SEALED POWER Rod Bearing Set Nos 172.6 184 195.6 L6

( Brand: Sealed Power ), ( Manufacturer Part Number: 1620SA ), ( Type: Connecting Rod Bearing ), ( Country Of Origin: United States ), ( Vintage Part: Yes )

Review SEALED POWER 1620 Sa Rod Bearing Set Amc 184 L6 Nos fits NASH 1941-65

The **Power 1620SA Rod Bearing Set** is a meticulously engineered, high-performance replacement solution designed specifically for the iconic **1941 1965 Nash and AMC straight-six engines**, including the legendary **172.6, 184, and 195.6 cubic inch L6 powerplants** found in everything from classic Nash roadsters and Ambassador sedans to early AMC models like the Rambler and Ambassador. This premium bearing set is crafted to restore peak mechanical efficiency, reduce friction, and extend the lifespan of your engine s critical rod journals, making it an essential upgrade for both restoration projects and high-mileage performance builds. Engineered from **high-grade, heat-treated steel**, these bearings feature a **smooth, precision-machined surface** and a **thin-walled, oil-retaining design** that ensures optimal lubrication under heavy loads, whether you're cruising down a country road or pushing your classic through spirited acceleration. The **1620SA** designation signifies a **split-shell, snap-ring secured design**, allowing for easy installation without the need for specialized tools simply press-fit the bearings into the rod journals, secure them with the included snap rings, and enjoy the immediate benefits of reduced wear and improved power transfer. Perfect for **NOS (Never Overhauled Since) engines**, this bearing set is also ideal for **rebuilding projects** where original components may be worn or compromised, ensuring a clean, factory-like fitment that aligns with the original engine s specifications. Whether you're restoring a vintage Nash for concours-level show quality or preparing an AMC straight-six for a modern-day hot rod build, the **Power 1620SA Rod Bearing Set** delivers the durability, reliability, and performance you need to keep your engine running strong for generations to come.

### Pros and Cons of Buying a Power 1620SA Rod Bearing Set for 1941-65 Nash/AMC 172.6, 184, or 195.6 L6 Engines (No-Spark)

1. **Compatibility and Fitment** The Power 1620SA is specifically designed for the 1941-65 Nash/AMC straight-six engines (including the 172.6, 184, and 195.6 cubic inch variants). This ensures a proper fit without modification, reducing the risk of installation errors.

2. **Improved Durability** Rod bearings are critical components that support the connecting rods and reduce friction. Worn or failing rod bearings can lead to catastrophic engine failure. Replacing them with high-quality bearings like the 1620SA extends engine life and prevents costly damage.

3. **Performance Benefits** New rod bearings reduce internal friction, which can slightly improve engine efficiency and smoothness, especially in high-performance or heavily modified engines.

4. **Prevents Rod Knock** Rod knock is a serious issue caused by worn bearings, leading to rod failure and engine destruction. Upgrading to these bearings mitigates this risk, particularly in engines with high mileage or those used for towing or heavy loads.

5. **Easy Installation** The 1620SA set is designed for straightforward installation, often requiring only basic tools. This makes it a practical choice for DIYers or mechanics without specialized equipment.

6. **Cost-Effective Maintenance** Compared to a full engine rebuild or replacement, replacing rod bearings is a relatively inexpensive preventive measure that can save thousands in long-term repairs.

7. **Widely Available Support** Power Products is a well-known brand with extensive documentation, forums, and customer support. This makes troubleshooting or finding replacement parts easier if needed.

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1. **Cost Relative to Engine Value** For classic or low-mileage engines, the cost of the bearing set (typically $50 $100) may seem high, especially if the engine is otherwise in good condition. However, this is a one-time expense that pays off in the long run.

2. **Requires Engine Disassembly** Installing rod bearings necessitates removing the engine from the vehicle and disassembling it partially. This can be labor-intensive, especially for those without mechanical experience.

3. **Potential for Other Wear** If the engine has other neglected components (e.g., worn pistons, cracked blocks, or damaged crankshafts), replacing just the rod bearings may not fully address underlying issues. A full inspection is recommended.

4. **Limited Performance Gain** While rod bearings improve reliability, they do not significantly boost horsepower or torque. This may not be a concern for most owners but is worth noting for performance-focused buyers.

5. **Quality Variability** While Power Products is reputable, counterfeit or low-quality aftermarket parts can sometimes enter the market. Purchasing from authorized dealers or trusted sellers minimizes this risk.

6. **Time-Consuming Process** For beginners, the installation process can take several hours, depending on the engine s condition and the mechanic s skill level. Rushing may lead to mistakes.

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The **Power 1620SA rod bearing set** is a **highly recommended upgrade** for 1941-65 Nash/AMC L6 engines, particularly if the engine has high mileage, shows signs of wear, or is used for demanding applications (towing, racing, or heavy loads). The benefits in terms of reliability, prevention of catastrophic failure, and long-term cost savings far outweigh the minor drawbacks.

For engines in pristine condition with low mileage, the decision may be less urgent, but replacing rod bearings as part of a general overhaul is still a wise precaution. If you re unsure about the engine s health, a professional inspection is advised before proceeding.

- **Buy the Power 1620SA set** if your engine shows signs of rod bearing wear (tapping noises, oil consumption, or blue smoke) or if you re performing a major overhaul.

- **Pair it with other maintenance** (e.g., oil pump replacement, crankshaft inspection) if the engine has significant mileage.

- **Purchase from a trusted source** (e.g., Power Products official website, reputable classic car parts dealers) to ensure authenticity and quality.

- **Follow installation guidelines carefully** this is not a "drop-in" replacement that can be rushed. Proper lubrication and alignment are critical.

For most Nash/AMC L6 owners, this is a **worthwhile investment** that extends the life of an otherwise reliable engine. If budget is a concern, prioritize this upgrade over less critical components.

Details:

Position: Connecting Rod Internal Engine. Some original boxes may show signs of shelf-wear, such as dust, tape, or surface distress from years storage. Genuine Sealed Power 1620 SA Rod Bearing Set NOS: This is a complete New Old Stock NOS set of connecting rod bearings, precision-engineered in the USA for vintage American Motors, Nash, and Hudson 6-cylinder engines. Condition: New Old Stock NOS.

Unbeatable Prices Expectations: While many of our vintage parts were manufactured decades ago, they remain unused and high-quality. Because these are vintage components, minor surface variations or packaging wear may be present; however, the part pictured is exact unit being sold. Engine Fitment: 172.6 CID, 184 195.6 CID 196 L6 Engines. These premium steel-backed aluminum bearings provide exceptional seizure resistance and durability for internal engine restorations.

Origin: Made in the USA. Key Features:: Brand: Sealed Power. Fits Years:: 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965. Part Number: 1620 SA.

part #: 1620sa prices

• $10.49-$72.00

specifications pistonrinro:

• for models: Nash
• for makes: Amc
• for years: 1941-65
• brand: Sealed Power
• mpn: 1620sa
• type: Connecting Rod Bearing
• country of origin: United States
• vintage part: Yes

general pistonrinro:

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

shipping pistonrinro:

• carrier: USPS
• service: USPS Ground Advantage, USPS Priority Mail
• transit: 5-8 Days
• cost: $8.46
• type: Calculated
• class: Standard, Expedited

offer pistonrinro:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 1
• started: March 7, 2026

seller pistonrinro:

• # reviews: 16163
• city: Lewiston, Idaho
• rating: 99.9%

payments pistonrinro:

• wallet: Google-pay
• other
• credit card: Diners-club

returns pistonrinro:

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

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