Valve Cover Breathers and Components
Circle Track Valve Cover Breathers & Components at JJ Motorsports
Valve cover breathers and related hardware promote proper crankcase ventilation, reducing pressure buildup and protecting internal engine components. Compatible with high-RPM applications, they are crucial for reliable airflow management. Combine them with other engine optimization products for maximum gains.
Shop trusted brands like Allstar Performance for clamp-on options, Moroso for high-flow designs, and Peterson Fluid Systems for premium breathers. Explore related categories such as Circle Track Engine Covers, Pans & Dress Up Components for additional protection or Circle Track Engines and Components for complete upgrades.
Top Circle Track Valve Cover Breathers & Components
- Allstar Performance V/C Breather w/o Shield 1-3/8in ALL36204 – Breather Clamp-On Round 1-3/8 in OD Tube Reusable Steel Chrome Each. Elevate your racing game with the Allstar Performance V/C Breather, a premium ventilation solution designed for high-performance vehicles.
- Valve Cover Breather 1-1/2" Pack of 2 w/ Blue Breather Outerwear – Kit includes 2 valve cover breathers and 2 valve cover breather outerwears Blue outerwears Black breather top 1-1/2" breather clamp. Pre-filters keep the bigger and most damaging particles of sand, dirt, clay and oil drips from getting to and...
- 1-1/2-Inch Valve Cover Breather Filter - Chrome Finish for SBC IMCA Racing – Valve Cover Breather Filter 1-1/2 Inch SBC IMCA Racing. Optimize your engine's ventilation system with this 1-1/2-Inch Valve Cover Breather Filter, designed for Small Block Chevy (SBC) engines in IMCA racing applications.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
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Allstar Performance V/C Breather w/o Shield 1-3/8in ALL36204
ALLSTAR PERFORMANCE
$11.69Keep your engine breathing right and running strong with the Allstar Performance V/C Breather (ALL36204) — a no-nonsense ventilation solution built for serious racers who refuse to let crankcase pressure slow them down. Crafted from durable chrome steel,...ALL36204- SKU:
- ALL36204
- Availability:
- Ships Same Business Day
- Weight:
- 0.27 LBS
- MFG Part #:
- ALL36204
$11.69 -
Valve Cover Breather 1-1/2" Pack of 2 w/ Blue Breather Outerwear
J J MOTORSPORTS
$45.99Crankcase pressure buildup compromises engine seal integrity and reduces performance—a quality breather system is essential for any serious build. This dual-breather kit with pre-filters protects your engine from contamination while maintaining proper...500-1224- SKU:
- 500-1224
- Availability:
- Ships Same Business Day
- Weight:
- 4.00 LBS
- Unit of Measure:
- Kit
- Flange ID:
- 1-1/2"
- Color:
- Black
- Style:
- Clamp-on
- Shielded:
- No
$45.99 -
1-1/2-Inch Valve Cover Breather Filter - Chrome Finish for SBC IMCA Racing
J J MOTORSPORTS
$10.95Valve cover blow-by gases carry oil vapors and contaminants that degrade engine oil and risk seal damage—a properly filtered breather system protects your engine's internal components and extends service intervals. This 1-1/2-inch breather filter...RCFL-5066- SKU:
- RCFL-5066
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$10.95 -
1-3/8-Inch Valve Cover Breather Filter - Chrome Finish for SBC IMCA Racing
J J MOTORSPORTS
$10.95Proper crankcase ventilation is essential for engine longevity and consistent performance in high-RPM racing environments. This 1-3/8-inch breather filter prevents oil mist and contaminants from degrading your fuel charge while maintaining critical...RCFL-5065- SKU:
- RCFL-5065
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$10.95 -
5/8-Inch Clamp-On Mini Breather Vent - Reusable Racing Breather for IMCA & UMP
J J MOTORSPORTS
$12.95Proper crankcase ventilation is non-negotiable for engine reliability and consistent power delivery on the track. This 5/8-inch clamp-on breather prevents pressure buildup and keeps contaminants out of your engine, allowing you to focus on what...RCFL-5084- SKU:
- RCFL-5084
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$12.95 -
Push In Breather 3in Tall Chrome/Black R9516BK
RACING POWER CO-PACKAGED
$21.99Proper crankcase ventilation is essential for engine longevity and performance—a quality breather prevents pressure buildup and reduces the risk of seal failure. This push-in breather combines a compact 3-inch design with half-shield protection, making...RPCR9516BK- SKU:
- RPCR9516BK
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
$21.99 -
Clamp-On Breather 3in Tall 1-1/2in ID R9309BK
RACING POWER CO-PACKAGED
$19.99A quality breather system prevents crankcase pressure buildup that can compromise engine seals, gaskets, and overall reliability during high-performance driving. This clamp-on breather offers straightforward installation without custom fabrication,...RPCR9309BK- SKU:
- RPCR9309BK
- Availability:
- Ships Same Business Day
- Weight:
- 0.53 LBS
$19.99 -
Slip-On Fitting 12AN x 1-3/8in K9027
KEVKO OIL PANS & COMPONENTS
$44.99A reliable breather adapter is essential for any forced induction or crankcase ventilation system—it ensures proper pressure regulation while maintaining a sealed connection. The K9027 slip-on fitting provides a clean, secure transition from your 1-3/8"...KEVK9027- SKU:
- KEVK9027
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
$44.99 -
Joes Valve Cover Tube Alum 12510
JOES RACING PRODUCTS
$16.95A properly functioning crankcase breather system is essential for maintaining engine health and preventing oil sludge buildup that compromises performance and longevity. This aluminum breather tube from Joe's Racing Equipment routes crankcase vapors...JOE12510- SKU:
- JOE12510
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$16.95 -
Chevrolet Performance Breather - Crankcase Vent 25534355
CHEVROLET PERFORMANCE
$84.31Proper crankcase ventilation is critical for engine longevity and consistent performance under load. This Chevrolet Performance breather system prevents pressure buildup that can compromise seals, gaskets, and oil control while maintaining clean air...GMP25534355- SKU:
- GMP25534355
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$84.31 -
Allstar Performance Mini Breather 4AN ALL36145
ALLSTAR PERFORMANCE
$22.99Engine breathers prevent crankcase pressure buildup that can compromise seals, gaskets, and overall engine reliability—especially critical in forced induction and high-performance applications where blow-by gases accumulate rapidly. The Allstar...ALL36145- SKU:
- ALL36145
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$22.99 -
Peterson Fluid Breather 1-Way Vac. 08-0450
PETERSON FLUID
$144.99Excessive crankcase pressure reduces engine efficiency and accelerates seal degradation, risking catastrophic oil leaks and component wear. The Peterson Fluid Breather 1-Way Vac effectively manages crankcase ventilation while preventing backflow...PTR08-0450- SKU:
- PTR08-0450
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- 08-0450
$144.99 -
Peterson Fluid 12 Screw In Breather 08-0415
PETERSON FLUID
$125.99Proper crankcase ventilation is critical for engine longevity and performance—excess pressure and moisture will compromise seals, gaskets, and internal components. The Peterson Fluid 12 Screw-In Breather delivers reliable, efficient evacuation of...PTR08-0415- SKU:
- PTR08-0415
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- 08-0415
$125.99 -
Moroso Valve Cover Breather Kit Bolt In Style - Aluminum 68855
MOROSO
$110.99Proper crankcase ventilation is essential for engine longevity and performance—excessive pressure buildup can compromise seals, gaskets, and bearing surfaces. The Moroso Valve Cover Breather Kit eliminates this risk with a straightforward bolt-on design...MOR68855- SKU:
- MOR68855
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- 68855
$110.99 -
Moroso Valve Cover Breather Kit Bolt In Style - Aluminum 68854
MOROSO
$103.99A properly functioning crankcase ventilation system is essential for engine longevity and performance—excess pressure and blow-by gases need somewhere to go. The Moroso Valve Cover Breather Kit eliminates vacuum leaks and contamination by routing these...MOR68854- SKU:
- MOR68854
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- 68854
$103.99 -
Moroso Valve Cover Breather Kit U-Weld - Aluminum 68852
MOROSO
$104.99A properly functioning crankcase ventilation system is essential for engine longevity and reliability—it prevents pressure buildup that can damage seals and gaskets while reducing blow-by contamination. The Moroso Valve Cover Breather Kit U-Weld delivers...MOR68852- SKU:
- MOR68852
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MFG Part #:
- 68852
$104.99 -
Moroso Valve Cover Breather Kit GM LS w/OEM Double Tab 68847
MOROSO
$110.99Proper crankcase ventilation is essential for any LS engine running boost or extended track sessions—excessive pressure buildup degrades seals, contaminates oil, and reduces engine longevity. The Moroso Valve Cover Breather Kit eliminates this risk with...MOR68847- SKU:
- MOR68847
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MFG Part #:
- 68847
$110.99Qty in Cart: 0Quantity:Price:$110.99Subtotal: -
Moroso Breather Kit - GM LS Valve Cover 68839
MOROSO
$108.99Crankcase pressure buildup degrades oil seals, accelerates bearing wear, and compromises engine reliability—especially under boost or sustained high RPM operation. This Moroso breather kit manages that pressure efficiently while keeping contaminants out...MOR68839- SKU:
- MOR68839
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- MFG Part #:
- 68839
$108.99 -
Moroso Chrome V. Cvr Breather 68817
MOROSO
$27.99A properly functioning breather system keeps crankcase pressure in check, preventing seal leaks and extending engine life—especially critical for high-RPM applications where blow-by gases accumulate rapidly. This Moroso chrome breather offers a clean,...MOR68817- SKU:
- MOR68817
- Availability:
- Ships Same Business Day
- Weight:
- 0.47 LBS
- MFG Part #:
- 68817
$27.99 -
Moroso Chrome V. Cvr Breathers 68816
MOROSO
$32.99Proper crankcase ventilation is critical to engine longevity and performance—excessive pressure buildup can compromise seals, gaskets, and bearing integrity. The Moroso Chrome V-Cover Breathers deliver reliable, maintenance-free crankcase evacuation with...MOR68816- SKU:
- MOR68816
- Availability:
- Ships Same Business Day
- Weight:
- 0.47 LBS
- MFG Part #:
- 68816
$32.99
Breathers for Valve Covers
Valve cover breathers serve as a critical component in the engine's ventilation system. They are designed to allow the expulsion of gases from the crankcase, promoting efficient engine performance and reducing harmful emissions. These breathers help to maintain the pressure balance within the engine, preventing the buildup of excessive pressure which can lead to oil leaks or damage to the engine's seals and gaskets. Available in various styles and designs, valve cover breathers not only enhance engine functionality but also offer an opportunity to customize the engine's appearance.
Rocker Cover Breathers
Rocker Cover Breathers, often synonymous with valve cover breathers, play a pivotal role in the engine's positive crankcase ventilation (PCV) system. These components are mounted on the rocker covers and are essential for venting out unwanted gases from the engine's crankcase. By doing so, they help in reducing the engine's internal pressure and minimizing the risk of oil leakage through the seals. Rocker Cover Breathers come in various designs, including those that can directly replace the factory breathers, offering improved ventilation and a touch of customization to the engine bay.
SBC Valve Cover Breathers
SBC (Small Block Chevy) Valve Cover Breathers are specifically designed for the iconic range of Chevrolet small-block engines. Known for their durability and high performance, these breathers match the unique requirements of SBC engines, ensuring optimal crankcase ventilation. They are available in various finishes and styles, from classic to contemporary, to complement the aesthetic of any SBC engine while providing effective expulsion of blow-by gases. Installing high-quality SBC Valve Cover Breathers is crucial for maintaining the legendary performance of Small Block Chevy engines.
Clamp-On Breather Filters
Clamp-On Breather Filters represent a universal solution suitable for a wide range of engines and valve covers. These breathers attach directly to the valve cover vent tube, providing an efficient filtration system for the expelled gases. The filter element within traps dust and debris, ensuring only clean air is released into the atmosphere. This not only helps in reducing environmental pollution but also protects the engine by preventing the ingestion of particulate matter. Clamp-On Breather Filters are easy to install and are an excellent choice for those looking for a simple yet effective way to enhance their engine's ventilation system.
