Small Block Chevy Black Aluminum Short Milled Valve Covers + Breather PCV 5.7L. This listing is for a brand new pair of Small Block Chevy black aluminum valve covers with Breather/PCV Kit. This does include most Vortec and TBI engines. Short Style Covers 2 9/16 Height. 1 1/4 breather holes. Includes baffels and botls. This also includes a matching Black Billet Aluminum Ball Milled Breather and PCV set. These are for standard 1.25 inch valve cover holes. This also comes with the rubber grommets for mounting. These ball mill breathers have a nice black finish. The breather cap (oil fill) has a washable filter inside. 6037BLK + 4431/4432BK + 2 Grommets. Please wait for us to send you a combined invoice before paying. We have discount prices on thousands of parts for your Street Rod, Hot Rod, and Custom Car or Truck. Parts are added to our store daily, so check back often for the latest deals! Plus, we have access to thousands of parts that are not listed. We do get hundreds of emails daily, so at times it may take us up to 72 hours to respond to your emails. Get images that make Supersized seem small. Showcase your items with Auctiva’s. Track Page Views With.