This two-piece 'dry' aluminum manifold design consists of the 'runners' and 'plenum' only. The Spider along with Valley Plate assembly P/N 24502654 is designed for use with the Chevrolet 18? cylinder head with date code of June 1996 or later only. This design is based on the original 18? Bow Tie manifold P/N 10185053, and is currently used in competition.
