1. Engine Rocker & Valve Covers Items
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  3. AC

AC Valve Cover Oil Push Breather 65-67

fits model: 396, 427, Camaro, Corvette. year: 1965–1967.

Ac 65-67 396 1965 1966 1967 Bb 427 Valve Cover Oil Push In Breather Camaro Corvette

( Brand: Ac ), ( Color: Original Gm ), ( Items Included: 1 Breather ), ( Material: Steel ), ( Vintage Part: Yes ), ( Type: Ac Breather ), ( Ipn: 65-67 396 ), ( Oe/oem Part Number: 65-67 Big Block ), ( Finish: Original ), ( Country Of Origin: United States )

Review AC Valve Cover Oil Push In Breather fits CAMARO CORVETTE 396 427 1965–1967

Introducing the AC 65-67 396/1965-1967 427 Valve Cover Oil Push Breather for Chevrolet Camaro and Corvette models from the years 1965 to 1967. This essential automotive component is meticulously crafted to provide superior performance and maintain the health of your classic engine.

The AC 65-67 Valve Cover Oil Push Breather is specifically designed for the 396 and 427 big-block engines, which were popular choices for these iconic American muscle cars. This breather system is an essential upgrade for any enthusiast seeking to enhance their engine's longevity and reliability.

The valve cover oil push breather system functions by redirecting crankcase pressure away from the valve covers and rocker arms, preventing oil from entering the intake manifold and combustion chamber. By keeping oil out of the combustion process, the breather system helps to minimize oil consumption, reduce harmful engine deposits, and maintain optimal engine efficiency.

The AC 65-67 Valve Cover Oil Push Breather is manufactured with the highest quality materials and precision engineering to ensure a perfect fit and seamless integration with your classic Camaro or Corvette. Its robust construction is designed to withstand the rigors of high-performance driving and the test of time, making it an invaluable investment for any collector or enthusiast.

Key features of the AC 65-67 Valve Cover Oil Push Breather include:

* Designed for 396 and 427 big-block engines used in 1965-1967 Chevrolet Camaro and Corvette models

* Redirects crankcase pressure away from valve covers and rocker arms

* Prevents oil from entering intake manifold and combustion chamber

* Helps minimize oil consumption and reduce harmful engine deposits

* Enhances engine efficiency and longevity

* Engineered for a perfect fit and seamless integration

* Manufactured with high-quality materials for robust construction and durability

Upgrade your classic muscle car with the AC 65-67 396/1965-1967 427 Valve Cover Oil Push Breather and enjoy the peace of mind that comes with knowing your engine is performing at its best. This essential component is a must-have for any serious Camaro or Corvette enthusiast seeking to maximize the potential of their beloved vehicle.

The 1965-1967 Chevrolet Camaro and Corvette models with the 396 and 427 V8 engines came with a valve cover oil push-rod breather system. This system was designed to help prevent oil from entering the intake manifold and resulting in engine performance issues. Here are some pros and cons of buying a used car with this specific engine and breather system.

Pros:

1. Enhanced Engine Performance: The valve cover oil push-rod breather system helps to prevent oil from entering the intake manifold, which can improve engine performance.

2. Improved Engine Longevity: By reducing the amount of oil that enters the intake manifold, the engine can last longer.

3. Collectible Value: These cars are considered collectible, and the 396 and 427 engines are highly sought after by enthusiasts.

Cons:

1. Potential Leaks: The valve cover oil push-rod breather system can leak, which can result in a messy oil spill and potential engine damage.

2. Maintenance: The system requires regular maintenance, including replacing the breather tubes and gaskets, which can be time-consuming and costly.

3. Complexity: The engine with this system can be more complex than other engines, which may make it more difficult to diagnose and repair.

Conclusion:

The 1965-1967 Camaro and Corvette models with the 396 and 427 V8 engines and the valve cover oil push-rod breather system have their advantages and disadvantages. While the system can help improve engine performance and longevity, it also comes with the potential for leaks, maintenance needs, and complexity. If you are a collector or enthusiast, the pros may outweigh the cons for you. However, if you are looking for a reliable daily driver, you may want to consider a different engine.

Recommendation:

If you are set on buying a used 1965-1967 Camaro or Corvette with the 396 or 427 engine, make sure to have a thorough inspection done by a qualified mechanic. Be prepared for the potential maintenance needs and costs associated with the breather system. If you are not comfortable with the complexity of the engine or the ongoing maintenance requirements, you may want to consider a different model or engine.

Details:

Used original 1965 1966 1967 BB 396 427 Valve Cover AC Oil Push In Breather Camaro Corvette Impala Nova Chevalier.

specifications rockercove:

  • for models: 396, 427, Camaro, Corvette
  • for years: 1965-1967
  • brand: Ac
  • color: Original Gm
  • items included: 1 Breather
  • material: Steel
  • vintage part: Yes
  • type: Ac Breather
  • ipn: 65-67 396
  • oe/oem part number: 65-67 Big Block
  • finish: Original
  • country of origin: United States

offer rockercove:

  • sold: 0
  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home
  • best offers: True
  • started: January 14, 2026

shipping rockercove:

  • service: USPS Ground Advantage
  • class: Standard
  • cost: $4.95
  • type: Fixed
  • transit: 6-12 Days
  • carrier: USPS

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general rockercove:

  • Engines Engine Parts > Valvetrain Components > Rocker Valve Covers
  • condition: Used
for models: 396, 427, camaro, corvette, for years: 1965-1967, items included: 1 breather, vintage part: yes, type: ac breather, oe/oem part number: 65-67 big block, finish: original, country of origin: united states,
category: auto parts > engines engine parts > valvetrain components > rocker valve covers, color: original gm, material: steel, sku: 11165020525570782,

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