Edelbrock part #28468 Victor Two-Piece for conventional 18 degree, Brodix, All Pro & Dart cylinder heads is a two-piece, single-plane, high-rise intake designed for maximum race-winning power at higher engine speeds. Edelbrock engineers work in conjunction with leading engine builders from all forms of competition to design manifolds compatible with the latest technology. With that, the Edelbrock Victor Two-Piece intake manifold was developed to simplify CNC manifold porting. They are supplied in right and left halves that can be machined and then assembled with the supplied bolts and o-ring.