TRW / OLDSMOBILE 42013-TRW Rocker Arm Shafts Engine Ci 1-NEW 37I 394

( Brand: Trw / Oldsmobile ), ( Manufacturer Part Number: 42013-TRW ), ( Type: 1 New Rocker Shaft ), ( Oe/oem Part Number: 578155 General Motors ), ( Manufacturer Warranty: 1 Month ), ( Items Included: 1-new Rocker Arm Shaft ), ( Material: Steel ), ( Country/region Of Manufacture: United States ), ( Vintage Part: Yes ), ( Finish: Polished )

Review TRW / OLDSMOBILE 1-new Rocker Arm Shafts Engine 37i Ci 394 Oe#578155 fits 1959–1961

Introducing the TRW 42013-TRW 1-NEW rocker arm shafts, specifically designed for Oldsmobile engines from 1959 to 1961 with a displacement of 371 cubic inches and a cylinder count of 394. These rocker arm shafts are a crucial component of your engine's valvetrain system.

Each shaft is meticulously engineered using high-quality materials to ensure exceptional durability and performance. The shafts are designed to fit perfectly in your Oldsmobile engine, providing a precise and snug fit that minimizes vibration and reduces the risk of engine damage.

The TRW 1-NEW rocker arm shafts are manufactured to meet or exceed OEM specifications. They are precision-machined to ensure that the shafts are straight and true, which is essential for optimal engine performance. Each shaft is also carefully inspected for any defects or imperfections before it leaves the factory.

These shafts come as a complete set, including the necessary hardware for installation. The kit includes new rocker arm shafts, locknuts, and studs. The locknuts are designed to provide a secure connection between the shaft and the rocker arm, while the studs secure the shaft to the engine.

Installation of these new rocker arm shafts is straightforward and can typically be completed in a few hours by a competent mechanic or an experienced do-it-yourselfer. The kit includes clear and easy-to-follow installation instructions, making the process as stress-free as possible.

Investing in new TRW 42013-TRW 1-NEW rocker arm shafts is an excellent way to maintain the performance and reliability of your Oldsmobile engine. These high-quality parts are designed to provide long-lasting service, giving you peace of mind and ensuring that your Oldsmobile continues to run smoothly and efficiently.

Don't let worn or failing rocker arm shafts compromise the performance of your Oldsmobile engine. Upgrade to the TRW 42013-TRW 1-NEW rocker arm shafts today and enjoy the confidence that comes with knowing your engine is running at its best.

TRW Oldsmobile Rocker Arm Shafts for 1959-1961 371 ci 394 Engine: Pros, Cons, and Recommendation

The TRW Oldsmobile rocker arm shafts are aftermarket parts designed for Oldsmobile engines produced between 1959 and 1961 with a displacement of 371 ci and 394 cubic inches. These parts are essential for maintaining the proper functioning of the engine's valvetrain system. In this article, we will discuss the pros and cons of buying these TRW Oldsmobile rocker arm shafts, along with a conclusive recommendation.

1. High-quality materials: TRW is a reputable automotive parts manufacturer known for producing durable, long-lasting components. The rocker arm shafts are made from top-grade materials that can withstand the rigors of engine operation.

2. OEM-grade fit and finish: These aftermarket rocker arm shafts are engineered to meet or exceed OEM specifications. They are designed to provide a precise fit and function, ensuring optimal engine performance.

3. Cost-effective: Compared to purchasing new OEM parts or rebuilding the original components, buying aftermarket TRW rocker arm shafts can save you significant time and money.

4. Improved performance: Replacing worn or damaged rocker arm shafts with new aftermarket parts can lead to improved engine performance, including increased power and fuel efficiency.

1. Potential for compatibility issues: While TRW rocker arm shafts are designed to fit most Oldsmobile engines of this era, there is a possibility of compatibility issues arising due to engine variations or manufacturing tolerances.

2. Lack of OEM warranty: Aftermarket parts, including TRW rocker arm shafts, do not come with the same level of warranty coverage as OEM parts.

3. Installation complexities: Installing aftermarket rocker arm shafts may require more time and effort than replacing OEM parts due to the need for precise alignment and adjustment.

In conclusion, TRW Oldsmobile rocker arm shafts offer several advantages, such as high-quality materials, OEM-grade fit and finish, cost-effectiveness, and potential performance improvements. However, there are also potential drawbacks, such as compatibility issues, lack of OEM warranty, and installation complexities. Ultimately, the decision to purchase these aftermarket parts depends on your specific needs, budget, and technical expertise. If you are comfortable with the potential challenges and believe that the benefits outweigh the drawbacks, then TRW Oldsmobile rocker arm shafts could be an excellent choice for your Oldsmobile engine.

To ensure a successful installation and optimal performance, we recommend purchasing the TRW Oldsmobile rocker arm shafts from a reputable automotive parts supplier or dealer. Additionally, it's important to carefully follow the installation instructions provided by TRW and seek professional assistance if needed. By taking these precautions, you can minimize the risks associated with the installation process and enjoy the benefits of these high-quality aftermarket parts.

Details:

BRUCE LYDIA, THESE UNITS ARE FOR AFTER THE 1ST 12,000 CARS BUILT IN 1960 EXCEPT F85 BY BOOK. 1 BRAND NEW ROCKER ARM SHAFT FOR OLDSMOBILE 371 394CI V8s BUILT FROM 1959 THRU 1961.

part #: 42013 prices

• $16.38-$45.00

specifications rockeareng:

• for years: 1959-1961
• brand: Trw / Oldsmobile
• mpn: 42013-trw
• type: 1 New Rocker Shaft
• oe/oem part number: 578155 General Motors
• manufacturer warranty: 1 Month
• items included: 1-new Rocker Arm Shaft
• material: Steel
• country/region of manufacture: United States
• vintage part: Yes
• finish: Polished

seller rockeareng:

• # reviews: 489
• rating: 100.0%
• city: Wadena, Minnesota

returns rockeareng:

• paid by: Buyer
• time: 14 Days
• policy: Returns Accepted

shipping rockeareng:

• transit: 3-7 Days
• service: USPS Ground Advantage, UPS Ground Saver, FedEx Ground or FedEx Home Delivery
• cost: $17.00
• class: Standard, Economy
• carrier: USPS, UPS, FedEx
• type: Calculated

payments rockeareng:

• credit card: Discover
• other
• wallet: Google-pay

general rockeareng:

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

offer rockeareng:

• quantity: 1
• best offers: True
• started: June 4, 2025
• availability: In Stock
• sold: 0
• options: Ship-to-home

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