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As one of the most affordable bolt-ons for today’s automotive enthusiasts, BBK’s Phenolic Manifold Spacer Kits have proven to be a great way to increase performance. CNC is machined from a custom Phenolic Fiber 3/8" thick material. These Spacer Kits increase power by reducing the transfer of heat from the lower to upper Intake manifold. This in turn produces lower inlet air temperatures which results in added horsepower and the ability to add more timing advance with less detonation. Each Intake Manifold Spacer Kit model has been designed & dyno-tested.
BBK Phenolic Manifold Spacers have also become a popular way of increasing manifold to valve cover clearance to accommodate popular bolt-ons such as performance rocker arm covers.
All Kits include new gaskets and Longers Bolts & Hardware
This BBK performance part is NOT Currently CARB emissions certified