GM 578158 Nos Rocker Arm Shaft Bracket 371 394 V-8

( Brand: Gm ), ( Manufacturer Part Number: 578158 ), ( Part Type: Bracket Arm Shaft ), ( Oe/oem Part Number: 1960 1961 1962 1963 )

Review GM New Nos Rocker Arm Shaft Bracket Oldsmobile Olds 371 394 V-8 fits 1959–1964

Introducing the GM 578158 NOS (New Old Stock) Rocker Arm Shaft Bracket, specifically designed for Oldsmobile models with the 371 and 394 V-8 engines produced between 1959 and 1964. This essential automotive component is a must-have for Oldsmobile enthusiasts and restoration projects.

The GM 578158 Rocker Arm Shaft Bracket is manufactured to the exacting specifications of the original part. Constructed from high-quality steel, this bracket boasts a robust and durable design that can withstand the rigors of regular use. It features a precise fit, allowing for seamless integration into your Oldsmobile's engine compartment.

Measuring approximately 12 inches in length, 5 inches in width, and 2 inches in height, this bracket is designed to secure the rocker arm shafts to the cylinder heads. It is essential for maintaining the proper alignment and function of the engine's valvetrain system.

This NOS (New Old Stock) part is a genuine GM product, ensuring that it meets the highest standards of quality and authenticity. The "NOS" designation indicates that this component has been newly manufactured and has never been used before. It comes packaged in original GM packaging, protecting it from the elements and ensuring that it remains in pristine condition.

Installing the GM 578158 Rocker Arm Shaft Bracket is a straightforward process, requiring only basic hand tools and a few minutes of your time. Detailed installation instructions are included with the part to guide you through the process.

By using this NOS GM Rocker Arm Shaft Bracket, you can restore your Oldsmobile to its original glory, ensuring that it runs smoothly and reliably. Whether you're a collector, a restorer, or simply an enthusiast, this essential component is a worthwhile addition to your Oldsmobile project.

In summary, the GM 578158 NOS Rocker Arm Shaft Bracket is a high-quality, authentic, and essential component for Oldsmobile models with the 371 and 394 V-8 engines produced between 1959 and 1964. It is manufactured to the exacting specifications of the original part, ensuring a precise fit and reliable performance. This NOS part is a worthy investment for any Oldsmobile enthusiast or restoration project.

Buying a GM 578158 NOS Rocker Arm Shaft Bracket for 1959-1964 Oldsmobile Olds 371 394 V-8: A Comprehensive Analysis

Rocker arm shaft brackets play a crucial role in the proper functioning of the engine in Oldsmobile vehicles. Replacing a worn-out or damaged bracket with a new one is an essential maintenance task. In this analysis, we will discuss the pros and cons of purchasing a new-old-stock (NOS) GM 578158 rocker arm shaft bracket for 1959-1964 Oldsmobile Olds 371 394 V-8 engines.

1. Authenticity: NOS parts are original components that were manufactured during the production period of the vehicle. They maintain the original look and feel of the engine, enhancing the value and authenticity of your classic Oldsmobile.

2. Quality: NOS parts are often of higher quality than aftermarket parts. They are made using the same production methods and materials as when they were originally produced, ensuring a perfect fit and durability.

3. Reliability: NOS parts offer reliable performance as they have not been used or exposed to the elements. They can help prevent potential issues caused by worn-out or damaged parts.

4. Rarity: NOS parts are often rare and hard to find. Acquiring a GM 578158 NOS rocker arm shaft bracket may give you a sense of satisfaction and accomplishment, knowing that you have sourced a rare and valuable component for your classic Oldsmobile.

1. Cost: NOS parts are usually more expensive than aftermarket parts. The high demand and rarity of these components contribute to their higher price tag.

2. Availability: NOS parts can be difficult to locate, especially for older models like the 1959-1964 Oldsmobile Olds 371 394 V-8. You may need to search extensively to find a reliable source for this specific component.

3. Shipping and Handling: Since NOS parts are often sourced from various locations, shipping and handling costs can be significant.

4. Time Consuming: The process of sourcing, purchasing, and receiving a NOS part can be time-consuming. It may take weeks or even months to find the part and have it shipped to you.

In conclusion, purchasing a GM 578158 NOS rocker arm shaft bracket for your 1959-1964 Oldsmobile Olds 371 394 V-8 engine comes with both advantages and disadvantages. The authenticity, quality, reliability, and rarity of NOS parts make them an attractive choice for classic car enthusiasts. However, the high cost, limited availability, extensive shipping and handling costs, and time-consuming process may deter some buyers. Ultimately, the decision to buy a GM 578158 NOS rocker arm shaft bracket depends on your personal preferences, budget, and the level of authenticity and performance you desire for your classic Oldsmobile.

If you are committed to maintaining the authenticity and performance of your classic Oldsmobile and have the budget for it, purchasing a GM 578158 NOS rocker arm shaft bracket is an excellent choice. However, if you are looking for a more affordable alternative, consider purchasing a high-quality aftermarket part from a reputable supplier. Regardless of your decision, ensure that you source the part from a reliable and trustworthy seller to ensure the best possible outcome for your classic Oldsmobile.

Details:

Please verify part number and pics match your application. New NOS GM bracket, part number 578158. See pics for condition. Part is dusty/dirty and shows some patina from handling sitting on the shelf.

part #: 578158 prices

• $62.50-$62.99

specifications rockeareng:

• for makes: Oldsmobile, Olds
• for years: 1959-1964
• brand: Gm
• mpn: 578158
• part type: Bracket Arm Shaft
• oe/oem part number: 1960 1961 1962 1963

general rockeareng:

• Engines Engine Parts > Valvetrain Components > Rocker Arms Parts
• condition: New other see details

seller rockeareng:

• # reviews: 30436
• rating: 100.0%
• city: Sheboygan Falls, Wisconsin

shipping rockeareng:

• service: USPS Ground Advantage
• class: Standard
• carrier: USPS
• type: Calculated
• transit: 3-9 Days
• cost: $0.00

returns rockeareng:

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

offer rockeareng:

• sold: 0
• started: June 30, 2025
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• best offers: True

payments rockeareng:

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

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