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  3. TOLEDO AS1939A

TOLEDO AS1939A Nos Trw Engine Valves Cylinder Rototype Trw/toledo 248 270

fits make: Gmc. year: 2012.

As1939a Toledo Nos Trw/toledo Engine Valves 12 Pieces Gmc 6 Cylinder 248 270 Rototype

( Brand: Toledo ), ( Manufacturer Part Number: AS1939A ), ( Part Type: Valve Engine Cylinder ), ( Vintage Part: Yes )

Review TOLEDO Nos Trw/toledo Engine Valves Pieces Gmc Cylinder 248 270 Rototype fits 2012

Introducing the Toledo A1939A NOS TRW/Toledo Engine Valves, specifically designed for GMC engines with a cylinder number of 12, and displacement ranging from 248 to 270 cubic inches. These vintage automotive components are original new old stock (NOS) pieces, meaning they have been newly manufactured to the original specifications and have remained unused since then.

These Toledo engine valves are engineered to deliver optimal performance and durability. Each valve consists of a robust metallic body with intricately designed ports for efficient flow of air and fuel mixtures into the engine cylinders. The valves feature a precision-machined stem, ensuring a smooth and snug fit into the engine's valve guide.

The valves come equipped with hardened seats, designed to resist wear and maintain a tight seal to prevent fuel and air leakage. Additionally, they include stainless steel valve springs that provide the necessary force to open and close the valves efficiently, ensuring proper engine timing and combustion.

These Toledo engine valves are essential for maintaining the originality and authenticity of classic GMC engines. They are ideal for restoration projects, engine rebuilds, or for those seeking to retain the original components of their vintage vehicles. By installing these NOS Toledo engine valves, enthusiasts can restore their engines to their former glory while ensuring reliable and consistent performance.

In summary, the Toledo A1939A NOS TRW/Toledo Engine Valves are high-quality, authentic components designed for GMC engines with a cylinder number of 12 and a displacement ranging from 248 to 270 cubic inches. These NOS pieces are engineered to the original specifications for optimal performance and durability, making them an excellent choice for restoration projects or engine rebuilds on classic GMC vehicles.

The Toledo A1939A NOS TRW/Toledo Engine Valves 248-270 are aftermarket replacement valves for GMC cylinder engines. These valves are rebuild kits and can be considered as alternatives to original equipment manufacturer (OEM) valves. Here are some pros and cons of purchasing these valves:

Pros:

1. Cost-effective: Aftermarket valves are usually less expensive than their OEM counterparts. These Toledo valves can save you a significant amount of money compared to buying new OEM valves.

2. Availability: Aftermarket valves are often easier to find and purchase than OEM valves, especially for older or discontinued engines.

3. Performance: Toledo is a reputable brand in the automotive aftermarket industry, and their valves are known to offer reliable performance.

4. Rebuildable: These valves come as a complete rebuild kit, which includes the valves, springs, and other necessary components. This can save you the time and hassle of sourcing individual parts for a rebuild.

Cons:

1. Quality concerns: Some aftermarket parts, including valves, may not meet the same quality standards as OEM parts. However, reputable brands like Toledo generally offer high-quality products.

2. Fitment concerns: Aftermarket valves may not fit perfectly or may require some adjustments to ensure proper installation. It's essential to ensure that the valves are compatible with your specific engine model and year.

3. Warranty: Aftermarket parts typically don't come with the same level of warranty coverage as OEM parts. It's essential to check the warranty terms before making a purchase.

In conclusion, the Toledo A1939A NOS TRW/Toledo Engine Valves 248-270 can be a cost-effective and easily obtainable alternative to OEM valves for GMC cylinder engines. However, it's important to consider the potential quality and fitment concerns and check the warranty terms before making a purchase. If you're confident in the brand and the compatibility of the valves with your engine, they can be a good option for those looking to save money on a rebuild.

Recommendation:

If you're in the market for engine valves for your GMC cylinder engine and are looking to save some money, the Toledo A1939A NOS TRW/Toledo Engine Valves 248-270 can be a good choice. However, it's essential to ensure that the valves are compatible with your specific engine model and year and that you're comfortable with the potential quality and fitment concerns. If you prefer the peace of mind that comes with OEM parts or have concerns about fitment or quality, it may be worth considering paying more for OEM valves. Ultimately, the decision comes down to your budget, priorities, and level of comfort with aftermarket parts.

Details:

New old stock. TRW/Toledo Steel AS1939A valves, 12 pieces. Some are brand new, other have been opened, and some parts lots

GMC 248-270 with rototype. Please see photos for details.

part #: as1939a price

  • $48.00

specifications voomvalve:

  • for makes: Gmc
  • for years: 2012
  • brand: Toledo
  • mpn: As1939a
  • part type: Valve Engine Cylinder
  • vintage part: Yes

offer voomvalve:

  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
  • started: June 14, 2025
  • best offers: True
  • sold: 0

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  • policy: No Returns

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  • service: USPS Ground Advantage, FedEx Ground or FedEx Home Delivery, UPS Ground
  • transit: 6-13 Days
  • class: Standard
  • cost: $14.40
  • carrier: USPS, FedEx, UPS
  • type: Calculated

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general voomvalve:

  • Engines Engine Parts > Valvetrain Components > Valves
  • condition: New other see details
for makes: gmc, for years: 2012, part type: valve engine cylinder, vintage part: yes,
category: auto parts > engines engine parts > valvetrain components > valves, sku: 7283929764114792,

Toledo AS1939A Is Similar To:

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1 offer $48.00 USD
  • Offer #1: $48.00 price + $16.45 shipping estimate = $64.45* total. GMC 248-270 with rototype. TRW/Toledo Steel valves, 12 pieces.+$16.45 shipping

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