Allstar Performance Valve Cover Breather w/ Shield - 1-3/8" I.D. 421998 Can be custom fit

Can be custom fit

Other features include four curved and one straight driver's side door bars

1950-1964 Cadillac Series 60 Fleetwood

Ducts direct outside air to brakes

and all BorgWarner

Allstar Performance Valve Cover Breather w/ Shield - 1-3/8" I.D. 421998 Can be custom fitShielded or non shielded clamp on breathers will fit valve cover tubes. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over 30 years, customers worldwide have come to rely on the quality, affordable and practical items available from Allstar Performance. Product Description: Breather Clamp On Round 1 3 8 in OD