SPA Turbo manufactured this Intake Manifold with a fully cast body to avoid cracks on high boost applications. It also has internal stacks for optimized flow up to 105mm and a huge plenum for the best performance for your engine. This is for a 12 injectors and includes billet fuel rails. The rails are for 14mm injector o-rings and -8AN fuel ports. Spacing between the 12 injectors is 25mm between injectors. 3 injector length adjustable.
