Breather Cap 3/4in Neck Black

The Racing Power Co-Packaged Breather Cap 3/4in Neck Black is a push-on valve cover breather engineered for engine ventilation systems requiring reliable crankcase pressure relief. This steel construction breather cap fits 1-1/4 inch valve cover holes and features a 3/4 inch internal diameter, delivering straightforward, maintenance-free operation in high-heat engine compartments where consistent air flow and pressure regulation are critical to engine longevity.

Built from durable steel with black paint finish, this breather cap is designed to withstand sustained engine temperatures and minor vibration without degradation. The push-on design eliminates the need for threaded connections, allowing quick installation and removal for inspection or replacement. The 3/4 inch neck diameter accommodates standard valve cover breather tubing, making this cap compatible with common engine bay configurations used in performance and street applications where OEM or aftermarket valve covers require additional ventilation capacity.

Engine builders, mechanics, and performance enthusiasts rely on breather caps to prevent oil blow-by and maintain proper crankcase pressure in naturally aspirated and lightly modified engines. This Racing Power offering addresses applications where a simple, cost-effective breather solution is needed without complex filtration or complex routing. Compact dimensions (5.9 x 2.95 x 8.8 inches) and minimal weight (0.3 lbs) ensure zero impact on underhood packaging or vehicle balance.

Racing Power Co-Packaged components are widely recognized in the engine machine shop and rebuild market for straightforward, no-frills functionality. This breather cap is ideal for stock restorations, budget-conscious builds, and situations where OEM replacements are unavailable or cost-prohibitive. Whether you're replacing a damaged breather or upgrading a carbureted engine to improved ventilation, this steel cap delivers dependable service.

SKU RPCR9171BK | MPN R9171BK | UPC 859828917119