Allstar Center Bolt Style Fabricated Aluminum Valve Cover Set feature a valve cover set. It fits small block Chevys with center bolt style cylinder heads. These tig welded valve covers are lightweight and feature a thick rail for gasket support. It is fabricated from quality aluminum. The valve cover set does not include any breather tubes, which is perfect for custom modifications and use on dry sump systems. It is sold as one pair. The gaskets and fasteners are sold separately. It is backed by a 90-day limited factory warranty.