LPW Billet Breathers and Oil Cap
LPW Billet Breathers and Oil Cap


Part # Description Price
601 Billet Breather w/ 5/8 hose fitting $69.99
621 Billet Breather w/ -8 AN fittings $73.99
661 Billet Oil Fill Cap $49.99
681 Billet Breather Rebuild Kit $6.99



LPW aluminum breathers and oil fill cap feature a positive locking design that fit valve covers with a 1.22" or 1.25" hole.

They both incorporate o-ring seals to prevent leaks. The lightweight breathers are only 2" tall and include a washable, nonabrasive filter element.

Part no. 601 includes a fitting for use with 5/8" hose and is recommended for vehicles with open or full exhaust systems which have OEM header anti-backpressure valves.

Part no. 621 includes -8 AN fittings for the breather and header. LPW recommends it to be used only on open exhaust systems which do not create back pressure.

Part no. 681 rebuild kit includes new o-rings and filter element.


LPW Breathers feature:

  • Polished 6061T6 Aluminum
  • Positive locking via threaded base and nut
  • Double o-rings in base to prevent leaks and rotation
  • Positive "drain back" design
  • Oil/solvent resistant filter element allows cleaning
  • Rebuildable
  • Made in USA
LPW Racing Products, located in Lancaster, Pennsylvania, offers LPW Transmission Pans, LPW Cap Support Covers, LPW Axle Tube Braces, LPW Billet Breather and Oil Caps, LPW Dragster Lightning Chassis, and LPW Monster Racing Blocks.