489823 PONTIAC Trans Am Valley Pan Cover Gto 350 400 455

Review PONTIAC Oem Trans Am Valley Pan Cover Used for GTO 350 400 455 1973–1979

1973-1979 Pontiac GTO, Trans Am, Valley Pan 350, 400, 455 Engine Oil Pan

This engine oil pan is specifically designed for the Pontiac GTO and Trans Am models produced between 1973 and 1979. It is suitable for engines with displacements of 350, 400, and 455 cubic inches. The Valley Pan design is a popular choice for these muscle cars due to its unique shape and high-performance capabilities.

The oil pan is manufactured from heavy-duty aluminum, which reduces weight compared to traditional cast iron pans while maintaining excellent strength and durability. This material also helps to improve engine cooling and enhance overall performance. The aluminum construction also ensures a more aesthetically pleasing appearance under the hood.

This Valley Pan oil pan features a deep sump design, which provides ample oil capacity and ensures consistent lubrication for the engine, especially during high-speed or aggressive driving. The pan includes a baffle system that helps to reduce oil sloshing and aeration, ensuring that oil remains in the pan and does not harmfully enter the crankshaft.

The oil pan includes factory-style gasket surfaces for easy installation, ensuring a secure fit and reliable seal with the engine block and oil pump housing. The pan also features drain plug and oil pickup provisions, making it easy to drain and change oil as needed.

In summary, this Valley Pan engine oil pan for 1973-1979 Pontiac GTO and Trans Am models with 350, 400, and 455 cubic inch engines is a high-performance, lightweight, and durable solution to keep your muscle car's engine properly lubricated and running at its best.

Pros and Cons of Buying a 1973-1979 Pontiac GTO Trans Am with a 455 Cubic Inch Engine

The Pontiac GTO Trans Am with a 455 cubic inch engine is a classic muscle car that has gained immense popularity among collectors and enthusiasts. This article will discuss the pros and cons of buying this iconic automobile to help potential buyers make an informed decision.

1. Powerful Engine: The 455 cubic inch engine produces an impressive amount of power, making the Trans Am a thrilling drive. With over 350 horsepower, it can easily outperform many modern vehicles.

2. Classic Design: The Pontiac GTO Trans Am is a timeless design that never goes out of style. Its distinctive hood scoops, rear spoiler, and stylish exterior make it a head-turner on the road.

3. Rare Find: With production ending in 1979, finding a well-preserved Pontiac GTO Trans Am with a 455 engine is a rare find. This makes it an excellent investment for collectors and enthusiasts.

4. Affordability: Compared to other classic muscle cars, the Pontiac GTO Trans Am is relatively affordable. Prices vary depending on condition and mileage, but it's generally a more budget-friendly option.

5. Community: Owning a Pontiac GTO Trans Am puts you in a community of like-minded individuals. There are numerous clubs, forums, and events dedicated to preserving and restoring these classic cars.

1. Maintenance Costs: Older cars, especially high-performance muscle cars, require more frequent and costly maintenance. Replacement parts can be difficult to find and expensive.

2. Fuel Efficiency: The 455 cubic inch engine is not known for its fuel efficiency. Drivers can expect to get around 10-15 miles per gallon, which can be a significant expense for daily driving.

3. Safety: Compared to modern vehicles, the Pontiac GTO Trans Am lacks advanced safety features. It has a rear-wheel-drive layout and large, heavy body, which can make it less safe in certain situations.

4. Space: The interior of the Pontiac GTO Trans Am is not known for its spaciousness. With a focus on performance, the car sacrifices passenger and cargo space.

5. Reliability: Older cars are generally less reliable than newer vehicles. The Pontiac GTO Trans Am may require more frequent repairs and maintenance due to its age and high-performance components.

The Pontiac GTO Trans Am with a 455 cubic inch engine is a classic muscle car that offers a thrilling driving experience, timeless design, and a sense of community. However, it also comes with higher maintenance costs, less fuel efficiency, safety concerns, and limited interior space. Potential buyers should weigh these pros and cons carefully to determine if the Pontiac GTO Trans Am is the right car for them.

If you are an enthusiast or collector looking for a powerful, iconic muscle car with a rich history, the Pontiac GTO Trans Am with a 455 cubic inch engine is an excellent choice. However, if you prioritize fuel efficiency, reliability, or comfort, this classic car may not be the best fit for you. It's recommended to thoroughly research and inspect any potential purchase, and consider consulting with a professional restorer or enthusiast community for advice.

Details:

The PVC hose will need to be a bit shorter connect is all. It is a very nice original used gm oem part that fits and look correct with no issues. This also easily fits non erg engines and creates less heat at the intake manifold underside. This listing is for a nice solid Pontiac engine valley push rod cover.

It is the deeper pocket type that will easily fit all Pontiac engines from 1960 and newer. It is very solid and requires some cleanup before installing. It is from a 1973 Pontiac engine. This will work on the earlier engines with no problem.

This was the first year 455 super duty released and it required a deeper clearance for erg equipped engines.

specifications oilpanpete:

• for models: Gto, 350, 400, 455
• for years: 1973–1979
• brand: Pontiac
• mpn: 489823
• type: Oil Pan
• items included: Valley Pan
• color: Blue
• material: Steel
• vintage part: Yes
• country of origin: United States

seller oilpanpete:

• rating: 100.0%
• # reviews: 774
• city: newbury park, california

general oilpanpete:

• category: Auto Parts > Car Truck Accessories > Engines > Oil Pans

offer oilpanpete:

• prices: $29.99–$160.00
• item condition: Used
• sold #: 10
• started: december 13, 2025
• best offers: true
• availability: in stock
• in stock #: 4
• options: ship-to-home

returns oilpanpete:

• policy: no returns

payments oilpanpete:

• wallet: apple-pay
• credit card: visa
• other

shipping oilpanpete:

• type: calculated
• service: usps ground advantage
• carrier: usps
• class: standard
• transit: 4-9 days