This kit is used to keep your carbs cool! The Kit includes 12 longer studs, 6 Hard, PLASTIC insulators, 12 gaskets that go on each side of the insulators and 6 gaskets that go under the carburetor base.
Please provide - Photos of the Top of the Cyl Hd where the manifold attaches and a photo of the bottom of the Manifold along with the Size of Carb (i.e. 40IDA, 48IDA, etc.), the year and model of the engine (i.e., '81, 3.0L or the size of the port opening in the head). This info will help us provide the proper parts.
Please note: These Insulators go between the intake manifolds and the heads - NOT on top of the intake manifolds. ALSO, PLEASE NOTE: IF YOU HAVE CIS HEADS WITH NOTCHES FOR INJECTORS MACHINED INTO THE INTAKE AREA, THESE PLASTIC SPACERS WILL NOT BLOCK OFF THOSE NOTCHES BY THEMSELVES. THEY CANNOT WITHSTAND THE PRESSURE AND WILL LEAK. THE VACUUM LEAK WILL CAUSE A LEAN CONDITION AND VALVES WILL BE BURNED. THIS WILL REQUIRE AN ENGINE DISASSEMBLY TO REPAIR! THE CORRECT WAY TO PROCEED TO BLOCK THE NOTCHES IS TO INSTALL PMO MANIFOLDS or HAVE THE Tops of the Heads welded to close off the injector openings.
Please note PMO will not sell these insulators to those with CIS engines without photos of the top of the Cyl head (where the manifold attaches) and a photo of the bottom your manifold. PMO suggests you get PMO Intake Manifolds to solve this problem.