1. Engine Rocker & Valve Covers Items
  2. sku: 12100302795411892
  3. MOROSO MOR68811

MOROSO MOR68811 Filtered Valve Cover Breather Clamp Half Hood 1-3/8IN

Mor68811 Moroso Filtered Valve Cover Breather - Clamp-on Half Hood 1-3/8in Id

( Brand: Moroso ), ( Manufacturer Part Number: MOR68811 ), ( Part Type: Valve Cover Hood Breather Clamp ), ( Air Freight Prohibited: False )

Review MOROSO Filtered Valve Cover Breather Clamp on Half Hood 1-3/8in Id

Introducing the Moroso Mor68811 Filtered Valve Cover Breather Clamp-On Half Hood, a must-have accessory for any engine compartment seeking optimal performance and air quality. This clamp-on half hood is specifically designed to fit engines with a 1-3/8-inch breather port and is an essential upgrade for those looking to enhance their engine's breathability and protect it from external contaminants.

The Moroso Mor68811 is a filtered valve cover breather, meaning it comes equipped with a replaceable, high-flow filter element. This filter effectively traps dirt, debris, and other airborne contaminants before they can enter the engine, ensuring cleaner air intake and improved engine longevity. The filter element is easily accessible for replacement, ensuring that the unit remains effective over time.

This clamp-on half hood is constructed from high-quality materials, including a durable, powder-coated aluminum housing and a heat-resistant silicone breather hose. The powder-coated finish provides both protection against rust and an attractive appearance, while the silicone hose ensures a secure, leak-free connection and can withstand the extreme temperatures found in an engine compartment.

The Moroso Mor68811 Filtered Valve Cover Breather Clamp-On Half Hood is designed for ease of installation, with adjustable clamps that can accommodate various breather port sizes and shapes. The clamps securely fasten to the engine, providing a snug fit that minimizes the risk of leaks. The unit can be easily installed and removed as needed, offering flexibility for various applications.

In summary, the Moroso Mor68811 Filtered Valve Cover Breather Clamp-On Half Hood is a high-performance, durable, and user-friendly solution for enhancing engine breathability and protecting it from contaminants. Its replaceable filter element, adjustable clamps, and high-quality construction make it an excellent investment for any engine compartment, ensuring cleaner air intake and improved engine performance.

Moroso Mor68811 Filtered Valve Cover Breather Clamp-On Half Hood 1-3/8in: A Detailed Analysis

Introduction:

The Moroso Mor68811 Filtered Valve Cover Breather Clamp-On Half Hood 1-3/8in is a performance engine part designed to improve the air flow and filtration of crankcase gases in high-performance engines. In this analysis, we will discuss the key features, pros, cons, and a concluding recommendation of this product.

Key Features:

1. Clamp-on design for easy installation

2. Filtered design to prevent contaminants from entering the intake system

3. 1-3/8in diameter allows for compatibility with various applications

4. Durable and lightweight construction

5. Improves engine performance and reduces emissions

Pros:

1. Easy installation: The clamp-on design allows for quick mounting without the need for drilling or other permanent modifications.

2. Filtered design: Prevents contaminants from entering the intake system, helping to maintain engine performance and longevity.

3. Versatile: The 1-3/8in diameter accommodates a wide range of applications, making it a popular choice among enthusiasts and professionals.

4. Durable: Constructed from high-quality materials, this breather clamp can withstand the rigors of high-performance driving.

5. Improved engine performance: By effectively managing crankcase gases, this breather clamp contributes to improved engine performance and potential power gains.

Cons:

1. Price: Compared to some other breather clamps on the market, the Moroso Mor68811 may be considered more expensive.

2. Limited compatibility: Although the 1-3/8in size is versatile, it may not be the perfect fit for all applications.

3. May require additional modifications: Depending on the specific engine setup, additional modifications (such as adjusting the PCV system) may be necessary for optimal performance.

Conclusion:

The Moroso Mor68811 Filtered Valve Cover Breather Clamp-On Half Hood 1-3/8in is an excellent choice for individuals seeking to improve the air flow and filtration of crankcase gases in their high-performance engine. Its clamp-on design, filtered technology, and compatibility with various applications make it a popular selection among enthusiasts and professionals alike. While it may carry a higher price tag than some alternatives, the durability, improved engine performance, and potential power gains are compelling reasons to consider this breather clamp for your engine build.

Recommendation:

If you are looking for a high-quality, filtered breather clamp for your high-performance engine, the Moroso Mor68811 Filtered Valve Cover Breather Clamp-On Half Hood 1-3/8in is an excellent choice. Its easy installation, versatility, durability, and potential performance improvements make it a worthwhile investment for those seeking to optimize their engine setup.

Details:

Inner diameter of 1-3/8 inches for secure fitting. Constructed for durability and reliability, the Moroso breather incorporates a filtration system that traps oil mist airborne debris, maintaining engine cleanliness performance. Crafted with high-quality materials, it helps prevent oil vapor and contaminants from escaping the engine, promoting cleaner operation reducing emissions. The breathers compact size and robust construction ensure long-lasting performance under various operating conditions.

Trust Moroso for quality and precision in your automotive components. Durable construction for long-lasting performance. It is not CARB approved but suitable for use in a wide range of automotive applications. This clamp-on breather is suitable for half hood configurations and features a 1-3/8-inch inner diameter, ensuring secure fit on compatible valve covers.

Filtration system traps oil mist and contaminants. Features: Clamp-on installation for easy setup. Half hood design suitable for various engine configurations.

part #: mor68811 prices

  • $34.99-$42.44

specifications rockercove:

  • brand: Moroso
  • mpn: Mor68811
  • part type: Valve Cover Hood Breather Clamp
  • air freight prohibited: False

payments rockercove:

  • wallet: Paypal
  • other
  • credit card: Mastercard

offer rockercove:

  • quantity: 4
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • started: March 12, 2026

returns rockercove:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted

general rockercove:

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

shipping rockercove:

  • type: Fixed
  • cost: $18.99
  • carrier: UPS, FedEx
  • transit: 2-5 Days
  • class: Expedited
  • service: UPS 3 Day Select, Expedited, FedEx Express Saver

seller rockercove:

  • # reviews: 5595
  • city: Tampa, Florida
  • rating: 99.7%
part type: valve cover hood breather clamp, air freight prohibited: false,
category: auto parts > engines engine parts > valvetrain components > rocker valve covers, sku: 12100302795411892,

Moroso MOR68811 Is Similar To:

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4 offers $34.99–$42.44 USD
  • Offer #1: $34.99 price + $18.99 shipping estimate = $53.98* total. It is not CARB approved but is suitable for use in a wide range of automotive applications.+$18.99 shipping
  • Offer #2: $39.99 price + $0.00 shipping estimate = $39.99* total. Breather - Clamp-On - Round - 1-3/8 in OD Tube - Half Shielded - Reusable - Moroso Logo - Steel - Chrome - Each.FREE SHIPPING
  • Offer #3: $42.44 price + $0.00 shipping estimate = $42.44* total. MANUFACTURER PART NUMBER68811. Moroso Filtered Valve Cover Breather - Clamp-On - Half Hood - 1-3/8in ID.FREE SHIPPING
  • Offer #4: $42.98 price + $0.00 shipping estimate = $42.98* total. Pleasant, MI 48858. Mt.FREE SHIPPING

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