The BBC V8 Stack Injection system developed by DC&O is the ultimate EFI performance system for Chevy classic muscle car. Includes individual throttle bodies, manifold, linkages, fuel rails and velocity stacks.

The BBC stack system comes in 2 variations (tall or short).

The short version has the injectors in the manifold and shorter throttle bodies. It
measures 235 mm from bottom of manifold to top of the ram tubes. The tall version has taller throttle bodies with injector pockets in the throttle body. It is 270mm high from
the bottom of the manifold to the top of the ram tubes.