Small Block Chevy Black Aluminum Tall Finned Valve Covers + Breather & PCV SBC. This listing is for a brand new pair of BLACK Nostalgic Finned Small Block Chevy Aluminum valve covers with a breather & PCV combo kit! These Valve covers have a nice (not perfect), black finish and include all the necessary hardware. These are designed for your. 1987-Up Small Block Chevy 305 350 engines with Center Bolt. These Tall (4 1/4″) Nostalgic Aluminum Valve covers are finned, have 1 1/4″ Breather Holes, and includes hardware, and baffles. This also includes a brand new Finned, Black aluminum PCV Valve and Breather Combo Kit. (1) Breather with Built-In PCV. (1) Breather with Replaceable Filter. (2) Rubber grommets for mounting. These Tight Fitting Breathers Measure 4″ (Length) x 2-1/4″ (Width) x 2 (Height). They have a 1″ Tube for 1-1/4″ Valve Cover Holes. These breathers have a Black finish and a very cool raised finned design. They also have a unique oval shape that will add a cool look to your valve cover. 6191 Black + 6100FP Black + 6101FP Black + (2) Grommets (12#). 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. Auctiva’s FREE Counter.