The Edelbrock Victor Two-Piece #28478 intake manifold for SB2 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 #28478 intake manifold for SB2 cylinder heads was developed to simplify CNC manifold porting. The Edelbrock Victor Two-Piece #28478 intake manifold is supplied in right and left halves that can be machined and then assembled with the supplied bolts and o-ring. Whether you're building a daily driver, ultra high-performance's street machine or race car, an Edelbrock intake manifold will provide the power right where you want it.