Use with P4529003, P4529004 Chrome valve cover $17.95 |  Chrome Vented Breather Used on all 1966 Hemi's with air cleaner packages, 1967-69 High Performance 340, 383, 440 and Hemi engines.
Made to original dimensions with high quality chrome finish, these breathers feature correct internal screen mesh and proper "OIL" lettering on top. $84.95 |
Use with all Mopar Performance Parts cast aluminum valve covers (Black, Polished or "as cast") twist on. $7.95 | Push-in style breather cap to fill any extra valve cover holes in Mopar Performance Parts cast aluminum valve covers. $7.95 |
These chrome push-on breathers are factory original reissues of the push-on style breathers used on 1964-69, 426 Hemis. They are designed to fit all production style Hemi valve covers, including Mopar Performance Parts chrome or black wrinkle covers $48.95 |  $39.95 |
 $22.95 |  $34.95 |
Original equipment 426 Hemi PCV package for restoration or repair of Hemi valve covers. This factory re-issue kit contains one PCV valve cap, a PCV valve and nut, and one PCV valve retaining spring. This push-on style PCV cap is chrome and fits 1964 through 1969 Hemi valve covers, including Mopar Performance Parts' chrome or black wrinkle valve cover kits. Also can be used to service 60s era push-on style PCV valves other than Hemis. $71.95 | Set of grommets to service cast aluminum valve covers. Will work with black, polished or as-cast Mopar Performance Parts valve covers except Hemi. One for the PCV, one for plug or opened for breather. $7.95 |
To install (P4529881)push-in breather cap $4.95 |  Breathers designed just for racecars.
Designed just for racecars, Moroso's positive-locking valve cover breathers meet the rules for cars running 7.99 seconds and faster. They rely on threaded collars that mount on the inside of the valve covers, through the standard 1.22 in. opening, to provide secure attachment. They also have internal stainless steel baffling to keep oil and air separated. Jam nuts allow the breathers to be positioned in any way necessary to suit plumbing requirements, and Buna-N gaskets that are resistant to oil, alcohol, and race fuel are used to form an airtight seal. Mounting hardware is included. $51.95 |
Help your engine breathe better.
These filtered valve cover breathers from Moroso are available in half-hooded styles for extra protection from dirt and debris, and non-hooded designs for when that added shielding isn't necessary. Either style provides serious protection against dirt and airborne debris without restricting airflow. These breathers come in two styles--push-in or clamp-on--and both types are cleanable and reusable. $51.95 |  Convenient oil filler tubes with these breathers.
These two-piece push-in valve cover breathers are the perfect finishing touch to complete your engine dress-up project. They're chrome plated and will match your Moroso valve covers perfectly. Don't have Moroso covers? No worries; they also fit any valve covers with a 1.22 in. diameter hole. They come complete with grommets and extensions/adapters that double as convenient oil filler tubes. $15.95 |
 Keep oil out of your breather
These 14 gauge aluminum baffles are designed to mount inside your Moroso valve covers under the breather hole. They'll keep oil from getting into the breather, which will increase the breathers life. Includes all necessary mounting hardware. $6.95 |  These filtered valve cover breathers from Moroso are available in half-hooded styles for extra protection from dirt and debris, and non-hooded designs for when that added shielding isn't necessary. Either style provides serious protection against dirt and airborne debris without restricting airflow. These breathers come in two styles--push-in or clamp-on--and both types are cleanable and reusable
Consists of 2 filtered breathers with clamps, 2 chrome plated adapter tubes, and 2 valve cover grommets
Filters must be oiled before use $35.95 |