edelbrock 1 2in upper manifold spacer kit for ford performer rpm ii 5 0l manifold 7123 Exterior Styling>Bumper Covers - Front 7 L V8 Gas 2007

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edelbrock 1 2in upper manifold spacer kit for ford performer rpm ii 5 0l manifold 7123 Exterior Styling>Bumper Covers - Front 7 L V8 Gas 2007Edelbrock part #8729 spacer kit includes a 7 16" thick spacer and two . 045" thick gaskets for a total thickness of 1 2". The kit also has new base to upper fasteners to accommodate the spacer. There are several benefits to the kit. First it raises the upper manifold 1 2" for increase valve cover to upper plenum clearance. This is needed to run a taller cover such as when roller rockers are used. It also provides heat insulation between the lower and