Best Valve Cover Breather Kits

Are you looking for the best valve cover breather kits? We provide expert guidance and curated options to help you choose the perfect kit for your engine.

Valve cover breather kits are essential for keeping your engine running smoothly. They help ventilate your engine, preventing oil leaks and improving performance.

These kits come in various designs and materials, each offering unique benefits. From polished aluminum to chrome-plated steel, there’s a kit to match your style and engine needs.

Choosing the right kit can seem tricky, but we’re here to guide you. Our expert advice will help you find the perfect fit for your engine, ensuring long-lasting performance and a sleek look.

List of Top 10 Valve Cover Breather Kits

Title	Best For	Price
higehio Oval Valve Cover PCV Combo Kit,Aluminum Air Breather,Black,2PC	This oval valve cover PCV combo kit is perfect for car enthusiasts who want to upgrade their engine’s performance. It’s easy to install and built to last, making it ideal for anyone looking for a reliable, high-quality solution.	View on Amazon (paid link)
(2-Pack) Calvana Round Push-In Breather with 1” Tube for 1-1/4″ Hole in Valve Cover, Includes Grommet, Compatible with Spectre 4276, Fits SBC, BBC, SBF, 327, 350, 302, 454, and 502	This valve cover breather is perfect for DIY mechanics and car lovers who want to keep their classic engine running clean. It is a simple, reliable way to boost your engine’s performance.	View on Amazon (paid link)
Moroso VALVE COVER, BREATHER KIT, PUSH-IN	This Moroso Valve Cover Breather Kit is perfect for engine builders who want to add filtered breathers to their valve covers easily. It’s great for steel or aluminum covers with 1.22″ holes, no welding needed.	View on Amazon (paid link)
2Pcs 5339 Valve Cover Breather Grommet for All Valve Covers (0.75″ & 1″ ID)	This product is perfect for car enthusiasts and DIY mechanics who want to upgrade their classic American V8 engines. It’s ideal for Mopar V8s, hot rods, and race cars, offering easy installation and reliable performance.	View on Amazon (paid link)
5339 Valve Cover Breather PCV Grommets Fits SBC BBC SBF 1-1/4 Valve Holes	This product is perfect for car enthusiasts and DIY mechanics who want to keep their engines running smoothly. It’s ideal for classic American V8 engines and easy to install during routine maintenance.	View on Amazon (paid link)
higehio Oval Valve Cover PCV Combo Kit,Polished Aluminum Air Breather,2PC	This oval valve cover PCV combo kit is perfect for car enthusiasts who want to upgrade their engine’s performance and looks. It’s easy to install and built to last, making it ideal for anyone looking for reliable, high-quality parts.	View on Amazon (paid link)
Tiny Force Set of 2 Aluminum Valve Cover Breather PCV Combo Kit Finned Oval Polished Valve Cover Breather Pcv Compatible with Chevy Ford with 1-1/4″ Valve Cover Holes	This Tiny Force Valve Cover Breather PCV Combo Kit is perfect for car enthusiasts who want to upgrade their Chevy or Ford with 1-1/4″ valve cover holes. It’s easy to install and built to last, making it ideal for anyone looking to improve their engine’s performance.	View on Amazon (paid link)
Spectre Performance 4276 1-1/4″ Push-In Breather with Grommet	This push-in breather is for custom car builders. It is a great fit for DIY garage work.	View on Amazon (paid link)
Calvana 2 Pack Round Push-In Breather with 1” Tube for 1-1/4″ Hole in Valve Cover, Includes Grommet, Compatible with Spectre 4276, Fits SBC, BBC, SBF, 327, 350, 302, 454, and 502, Black	This Calvana 2 Pack Round Push-In Breather is perfect for car enthusiasts and DIY mechanics who want to upgrade their engine’s performance. It’s ideal for those with compatible engines like SBC, BBC, SBF, 327, 350, 302, 454, and 502, looking for reliable ventilation and a sleek look.	View on Amazon (paid link)
BIGREAT Smooth Valve Cover & Breather Combo with 2 Grommets Black	This black valve combo is perfect for car lovers who want a clean engine look. It works great on SBC, BBC, or SBF engines.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 Valve Cover Breather Kits carefully selected for performance, durability, and value. Each kit is expert-reviewed and backed by customer feedback, ensuring you get the best fit for your engine. Whether you need easy installation, leak prevention, or a sleek look, this guide has you covered. Find the perfect upgrade to keep your engine running smoothly and efficiently.

1. higehio Oval Valve Cover PCV Combo Kit,Aluminum Air Breather,Black,2PC

The higehio Oval Valve Cover PCV Combo Kit is a durable and high-quality solution for your engine. Made from polished aluminum, it resists high temperatures and lasts longer. Its finned design adds a sleek look to your setup.

This kit fits 1″ pipes and 1-1/4″ valve cover holes, making it versatile for many applications. It includes 2 rubber sealing rings for a tight seal, improving performance and preventing leaks.

Easy to install, saves time, and effort. No frequent replacements needed. Perfect for upgrades.

Pros	Cons
Polished aluminum with finned design for a sleek look. High-quality material resists heat and lasts longer. Easy installation saves time and effort. Better sealing with 2 rubber rings for top performance.	Only fits specific valve holes. Black color shows dirt easily. Might leak with poor alignment.

Perfect For:

This oval valve cover PCV combo kit is perfect for car enthusiasts who want to upgrade their engine’s performance. It’s easy to install and built to last, making it ideal for anyone looking for a reliable, high-quality solution.

Ready to Purchase?

View Price on Amazon (paid link)

2. (2-Pack) Calvana Round Push-In Breather with 1” Tube for 1-1/4″ Hole in Valve Cover, Includes Grommet, Compatible with Spectre 4276, Fits SBC, BBC, SBF, 327, 350, 302, 454, and 502

The Calvana Round Push-In Breather is a 2-pack solution for your engine. It fits 1-1/4 inch holes in valve covers. The set includes a grommet for a tight seal.

This breather works with SBC, BBC, SBF, and more. It has an internal baffle to stop oil splash. The chrome finish adds a sleek look to your engine bay.

Installation is easy and reliable. The rubber grommet ensures a snug fit. Apply a little oil for best results.

Pros	Cons
Superior ventilation prevents messy oil splashes. Universal fit works for many engine sizes. Easy push-in install provides a reliable seal. Durable chrome steel adds a sleek, shiny look. Snug, tight fit stops movement during operation.	Only fits specific hole sizes. Needs oil to fit snugly. Large size takes up space.

Perfect For:

This valve cover breather is perfect for DIY mechanics and car lovers who want to keep their classic engine running clean. It is a simple, reliable way to boost your engine’s performance.

Ready to Purchase?

View Price on Amazon (paid link)

3. Moroso VALVE COVER, BREATHER KIT, PUSH-IN

The Moroso Valve Cover Breather Kit is a must-have for engine builders. It lets you add filtered breathers to valve covers easily. No welding is needed, making it simple to install.

This kit includes two filtered breathers with clamps, chrome adapter tubes, and valve cover grommets. It fits Moroso steel or aluminum covers or any cover with 1.22″ holes.

Before use, oil the filters for best results. This kit offers a universal fit, making it versatile for many projects.

Pros	Cons
No welding makes installing easy. Universal fit works on many covers. Chrome tubes add a bright shine. Filtered breathers keep your engine clean. Push-in grommets make sealing easy.	Filters need oiling before use, adding an extra step. Not for all covers, only fits 1.22″ holes. Universal fit may require adjustments for some setups.

Perfect For:

This Moroso Valve Cover Breather Kit is perfect for engine builders who want to add filtered breathers to their valve covers easily. It’s great for steel or aluminum covers with 1.22″ holes, no welding needed.

Ready to Purchase?

View Price on Amazon (paid link)

4. 2Pcs 5339 Valve Cover Breather Grommet for All Valve Covers (0.75″ & 1″ ID)

Keep your engine running smoothly with the 2Pcs 5339 Valve Cover Breather Grommet. These grommets fit all valve covers and work with classic American V8 engines.

Made from premium PVC, they resist heat, oil, and aging. They handle temperatures from -40°F to +250°F and stay flexible without cracking.

Install easily with no tools needed. These grommets prevent leaks and protect your engine, ensuring long-lasting performance.

Pros	Cons
Fits all valve covers, no worries about compatibility. Stays strong in heat, oil, and time, no cracks. Stops leaks, protects engine, boosts performance. Easy install, no tools, fits snugly.	Not for all engines, check compatibility before buying. PVC material may wear faster in extreme conditions. No tools needed, but installation can be tricky for beginners.

Perfect For:

This product is perfect for car enthusiasts and DIY mechanics who want to upgrade their classic American V8 engines. It’s ideal for Mopar V8s, hot rods, and race cars, offering easy installation and reliable performance.

Ready to Purchase?

View Price on Amazon (paid link)

5. 5339 Valve Cover Breather PCV Grommets Fits SBC BBC SBF 1-1/4 Valve Holes

These PCV grommets protect your engine. They fit classic V8 engines like SBC and BBC.

The set includes two rubber seals of different sizes. The strong rubber blocks oil and dirt.

Putting them in is a quick, easy job. You just pull out the old ones. They give a tight, secure fit.

Pros	Cons
Fits many classic V8 engines with 1-1/4″ valve holes. Oil-resistant rubber stops leaks and keeps engines running smooth. Easy to install during routine maintenance, no special tools needed. Durable material handles heat and oil for long-lasting performance.	Contains different sizes, not two matching identical pieces. Only two grommets included, limiting multi-engine repairs. Rubber material can degrade under extreme long-term heat.

Perfect For:

This product is perfect for car enthusiasts and DIY mechanics who want to keep their engines running smoothly. It’s ideal for classic American V8 engines and easy to install during routine maintenance.

Ready to Purchase?

View Price on Amazon (paid link)

6. higehio Oval Valve Cover PCV Combo Kit,Polished Aluminum Air Breather,2PC

The higehio Oval Valve Cover PCV Combo Kit is a polished aluminum air breather set. It includes two pieces with a finned design. This kit fits 1″ pipes and 1-1/4″ valve cover holes.

Made of high-quality polished aluminum, it resists high temperatures and lasts longer. The 2 rubber sealing rings improve sealing performance, ensuring better results.

Easy to install, saves time, and effort. Durable and reliable for your needs.

Pros	Cons
Durable aluminum build handles high heat easily. Superior sealing with dual rubber rings. Simple installation saves you time. Beautiful polished aluminum lasts for years. Perfect fit for standard valve holes.	Might not fit all valve holes. Polished surface shows smudges easily. Rubber seals can wear down.

Perfect For:

This oval valve cover PCV combo kit is perfect for car enthusiasts who want to upgrade their engine’s performance and looks. It’s easy to install and built to last, making it ideal for anyone looking for reliable, high-quality parts.

Ready to Purchase?

View Price on Amazon (paid link)

7. Tiny Force Set of 2 Aluminum Valve Cover Breather PCV Combo Kit Finned Oval Polished Valve Cover Breather Pcv Compatible with Chevy Ford with 1-1/4″ Valve Cover Holes

Tiny Force Set of 2 Aluminum Valve Cover Breather PCV Combo Kit Finned Oval Polished Valve Cover Breather Pcv Compatible with Chevy Ford with 1-1/4

The Tiny Force Valve Cover Breather PCV Combo Kit is a polished aluminum set of two. It’s rustproof and heat-resistant, built to last. Perfect for Chevy Ford and other models with 1-1/4″ valve cover holes.

These tight-fitting breathers measure 4″ x 2-1/4″ x 2″ and have a 1″ tube for easy fit. They come with rubber grommets for secure mounting.

Each breather has a built-in PCV and a replaceable filter. They’re compact, measuring 3.5″ x 2.3″ x 2.5″, and work great with 1-1/4″ holes.

Pros	Cons
Strong aluminum build resists rust and heat. Polished finish gives a clean look. Built-in PCV saves engine space. Fits Chevy and Ford easily. Easy mounting with rubber grommets.	Only fits specific 1-1/4″ valve holes Can be too bulky for tight spaces Polished metal easily shows fingerprints and grease

Perfect For:

This Tiny Force Valve Cover Breather PCV Combo Kit is perfect for car enthusiasts who want to upgrade their Chevy or Ford with 1-1/4″ valve cover holes. It’s easy to install and built to last, making it ideal for anyone looking to improve their engine’s performance.

Ready to Purchase?

View Price on Amazon (paid link)

8. Spectre Performance 4276 1-1/4″ Push-In Breather with Grommet

The Spectre Performance 4276 is a 1-1/4″ Push-In Breather with a grommet. It fits all push-in applications easily. Made from high-quality material, it’s built to last.

This breather is triple chrome plated steel, giving it a shiny, durable finish. It includes a grommet for a secure fit. Its design ensures reliable performance every time.

Perfect for any push-in application, it’s a simple upgrade. Its quality and style make it a great choice.

Pros	Cons
Fits all push-in applications easily and securely. Triple chrome plated steel for a sleek, durable finish. Includes grommet for a perfect, hassle-free installation. High-quality material ensures long-lasting performance.	Chrome coating can scratch, leading to rust spots. Grommet might fall out if not installed properly. Single size limits other hole applications.

Perfect For:

This push-in breather is for custom car builders. It is a great fit for DIY garage work.

Ready to Purchase?

View Price on Amazon (paid link)

9. Calvana 2 Pack Round Push-In Breather with 1” Tube for 1-1/4″ Hole in Valve Cover, Includes Grommet, Compatible with Spectre 4276, Fits SBC, BBC, SBF, 327, 350, 302, 454, and 502, Black

Get optimal engine ventilation with this two-pack breather set. It keeps your engine bay clean and running strong.

This round push-in breather offers universal compatibility for many engine types. It fits 1-1/4 inch holes perfectly for a secure fit. The included rubber grommet makes installation quick and easy.

The triple chrome plated steel body is built to last and look sleek and sharp. It prevents oil splash while providing superior airflow. The tight fit design ensures zero movement during operation.

Pros	Cons
Optimal Ventilation keeps your engine cool and running smoothly. Universal Compatibility fits many engines, saving you time and money. Easy Installation with a snug fit ensures a reliable seal. Durable Design adds a sleek look and lasts a long time.	No filter included, may need extra purchase for full protection. Oil application required for best fit, adds extra step. Chrome finish may show fingerprints, needs frequent cleaning.

Perfect For:

This Calvana 2 Pack Round Push-In Breather is perfect for car enthusiasts and DIY mechanics who want to upgrade their engine’s performance. It’s ideal for those with compatible engines like SBC, BBC, SBF, 327, 350, 302, 454, and 502, looking for reliable ventilation and a sleek look.

Ready to Purchase?

View Price on Amazon (paid link)

10. BIGREAT Smooth Valve Cover & Breather Combo with 2 Grommets Black

The BIGREAT Smooth Valve Cover & Breather Combo is a durable upgrade for your engine. Made from high-quality billet aluminium, it resists high heat and lasts longer. Its smooth black finish gives your engine a sleek, stylish look.

This combo fits 1-1/4″ valve cover holes and works with SBC BBC SBF engines. The tight fit keeps the PCV secure while your engine runs.

Installation is easy—just use a little oil for a perfect fit. The unique design not only looks great but also boosts engine performance.

Pros	Cons
Tough metal resists high heat. Smooth black finish looks very cool. Tight fit stays secure while running. Fits SBC BBC SBF valve covers. Comes with two grommets for easy install.	Tight fit may require extra effort during installation. No PCV valve included, must purchase separately. Limited compatibility with specific valve cover sizes.

Perfect For:

This black valve combo is perfect for car lovers who want a clean engine look. It works great on SBC, BBC, or SBF engines.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Valve cover breather kits keep your engine running smoothly by preventing oil leaks and improving performance. They come in various designs and materials to match your style and engine needs. Choosing the right one ensures long-lasting performance and a sleek look.

Factors to Consider When Buying Valve Cover Breather Kits:
– Compatibility: Ensure the kit fits your engine’s valve cover holes and pipe sizes. Check for compatibility with your specific engine model.
– Material: Choose durable materials like polished aluminum or chrome-plated steel for heat resistance and longevity.
– Design: Opt for a design that complements your engine bay, such as finned or smooth finishes.
– Sealing Performance: Look for kits with rubber grommets or sealing rings to prevent leaks and ensure a tight fit.
– Ease of Installation: Select kits that are easy to install, saving time and effort.
– Price and Quality: Balance cost with quality to get the best value for your money.
– Brand Reputation: Choose trusted brands known for reliability and performance.

With these factors in mind, you’ll find the perfect valve cover breather kit for your engine.