1. Engine Rocker & Valve Covers Items
  2. sku: 10657652872510853
  3. GM 578039

GM 578039 Nos Engine Left Rocker Arms General

fits model: F85. make: Oldsmobile, Olds. year: 1961–1963.

578039 General Motors Nos Gm Oldsmobile 1961 1962 1963 Olds F85 Engine Left Hand Rocker Arms #578039

( Brand: Gm ), ( Manufacturer Part Number: 578039 ), ( Type: Rocker Arm ), ( Oe/oem Part Number: 0.333, 61, 62, 63 ), ( Color: Black ), ( Material: Metal ), ( Vintage Part: Yes )

Review GM General Motors Nos Oldsmobile Olds Engine Left Hand Rocker Arms #578039 fits F85 1961–1963

Introducing the 578039 NOS (New Old Stock) GM Olds F85 engine left rocker arms, a must-have for restorers and enthusiasts of Oldsmobile's classic F85 V8 engines from the early 1960s. These rocker arms are original factory components that have been carefully preserved and are now available for your restoration project.

The 578039 NOS GM Olds F85 engine left rocker arms are made of high-quality steel, forged to precise specifications. They are designed to provide a reliable and efficient connection between the engine's pushrods and the valves, enabling the engine to operate at its best. Each rocker arm features a polished finish, adding a touch of elegance to your engine bay.

These NOS parts are in their original unopened packaging, ensuring that they are free of corrosion, rust, or any other signs of wear. They have been carefully stored in a temperature-controlled facility, preserving their original condition for decades.

Installing these NOS rocker arms on your 1961, 1962, or 1963 Oldsmobile F85 engine will not only improve its performance but also enhance its authenticity. By using original factory components, you can be confident that your restoration is true to the original design and specifications.

The 578039 NOS GM Olds F85 engine left rocker arms come as a set of four, including two intake and two exhaust rocker arms. Each rocker arm is marked with the correct part number for easy identification.

In conclusion, the 578039 NOS GM Olds F85 engine left rocker arms are a valuable addition to any Oldsmobile F85 engine restoration project. They offer the authenticity and reliability of original factory components, as well as the peace of mind that comes with knowing they have been carefully preserved for decades. Order yours today to bring your classic Oldsmobile back to life!

Buying a 1961-1963 Olds F85 engine with left rocker arms can be an intriguing prospect for classic car enthusiasts. Here are some potential pros and cons to consider before making a purchase.

Pros:

1. Authenticity: Owning an original Oldsmobile engine can add to the value and authenticity of your classic car.

2. Availability: Replacement engines in good condition can be found for sale from various sources, including junkyards, private sellers, and online marketplaces.

3. Cost-effective: Buying a used engine can save you significant money compared to purchasing a new one from the manufacturer or a rebuilder.

4. Experience: Installing an old engine can provide a unique and rewarding experience, allowing you to learn more about the inner workings of your classic car.

Cons:

1. Unknown condition: The condition of the engine can vary greatly, and it may require extensive repairs or rebuilding before it can be installed and run reliably.

2. Compatibility: Make sure the engine and rocker arms are compatible with your specific car model and year. Incorrect parts can cause damage and may not function properly.

3. Transportation: Arranging transportation for a large engine can be challenging and costly.

4. Installation: Installing a used engine can be a complex process that requires specialized tools and technical knowledge.

Conclusion:

Before buying a used 1961-1963 Olds F85 engine with left rocker arms, carefully evaluate the seller's reputation, the engine's condition, and its compatibility with your car. Consider the potential costs associated with transportation, installation, and any required repairs or rebuilding. Ultimately, weigh the benefits and drawbacks to determine if purchasing a used engine is the best option for you and your classic car project.

Recommendation:

If you decide to proceed with buying a used engine, consider purchasing it from a reputable seller with a solid track record. Thoroughly inspect the engine and rocker arms before making a purchase, and be prepared to invest time and resources into any necessary repairs or modifications. Additionally, consider seeking the help of a professional mechanic or engine specialist to ensure a successful installation.

Details:

Part #578039 Group 0.333.

part #: 578039 price

  • $31.49

specifications rockercove:

  • for models: F85
  • for makes: Oldsmobile, Olds
  • for years: 1961-1963
  • brand: Gm
  • mpn: 578039
  • type: Rocker Arm
  • oe/oem part number: 0.333, 61, 62, 63
  • color: Black
  • material: Metal
  • vintage part: Yes

shipping rockercove:

  • type: Calculated
  • service: USPS Priority Mail
  • carrier: USPS
  • class: Expedited
  • cost: $13.00
  • transit: 4-9 Days

general rockercove:

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

seller rockercove:

  • # reviews: 4627
  • city: Cantril, Iowa
  • rating: 99.7%

payments rockercove:

  • wallet: Paypal
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  • credit card: Visa

offer rockercove:

  • quantity: 3
  • started: December 13, 2025
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0

returns rockercove:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted
for models: f85, for makes: oldsmobile, olds, for years: 1961-1963, type: rocker arm, oe/oem part number: 0.333, 61, 62, 63, vintage part: yes,
category: auto parts > engines engine parts > valvetrain components > rocker valve covers, color: black, material: metal, sku: 10657652872510853,

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