SKU: RPCR8212
UPC: 859828082121
MPN: R8212
The Valve Cover Breather 427 Logo Black is a specialized crankcase ventilation component designed for high-displacement big-block Chevy engines and similar street performance builds. This breather plays a crucial role in emissions control and engine longevity by preventing pressure buildup in the crankcase and safely routing blow-by gases away from internal engine components.
With a compact footprint of 5.9" × 2.9" × 8.8", this breather is engineered to mount directly to valve covers without interfering with ignition systems or intake manifolds. Its design allows for effective separation of oil mist from blow-by gases, ensuring that oil drains back to the pan while directing crankcase vapors through compatible routing systems, thus protecting your engine's internals.
Ideal for mechanics and enthusiasts working on carbureted big-block Chevy engines, this breather enhances performance by maintaining consistent pressure equilibrium during various driving conditions. Its black powder-coat finish adds a touch of visual appeal, making it a great addition to custom engine bays.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.