High Peformance Parts & Accessories for your American Vehicle ; Small Block Chevy 1960-86 Extra Thick 5/16″ Cork Valve Cover Gaskets · 28.95 ; Small Block Chevy... nnThe Breather Cap is thick gauge steel with nice black painted finish. Works great with most chrome steel or aluminum valve covers This kit comes with a pair 2-3/4 diameter push-in breather caps & grommets fit 1-1/4 Holes and 1/4 wide grove grommets for steel valve covers. Comes with a pair of grommets. Classic Car & Truck - Hot Rod Engine & Performance - Breathers - Page 1 This listing is for a pair of black push in valve cover breathers with matching grommets. A pair of black push in valve cover breathers with matching grommets. This Breather Cap is thick gauge steel with nice black painted finish. Works great with most chrome steel or aluminum valve covers. Fits most Chevy, Ford, and Mopar (small or big block) covers. This part number is for one 2-3/4 diameter push-in breather cap with a 1 diameter stem size. Pirate Mfg. 8 ounces. Painted. HR4870BK Compatible with most Chevy, Ford, and Mopar (small or big block) covers Black Breather Cap Hot Rod Black Ball Milled Aluminum Valve Cover Breather Kit W/Grommet Engine Breather