Brand New Hilborn Valley Cover Kit, Gray Finish, Compatible with Big Block Chevr?let 10.200" Tall Decks (Holley Part #300-803)The Hilborn EFI-R injector manifold kits combine the technology of Electronic Fuel Injection with the racing born performance and aggressive looks of Individual-Runner engine induction.Features:Fits OE & aftermarket Big Block Chevr?let engines which have OE standard or tall block deck heights. This part is for Tall 10.200" height.Hilborn high-quality heat-treated aluminum valley cover castings, ceramic coated a beautiful dark grayThe machined valley cover provides two AN-10 O-ring sealed ports, these ports can be used for crankcase breathers, installation of a dry sump oil scavenge pick-up, or an oil fill locationThe Hilborn Big Block Chevy valley covers are intended for use with a set of Hilborn EFI-R injection manifolds but these valley covers could also be used as part of a custom induction system being built.Rаm Tubes and Lifter Valley Covers sold separately Specs:Brand: HilbornProduct Type: Intake Manifold