Reduce Heat. The BBK GT-40 Intake Manifold Phenolic Spacer Kit is designed to reduce heat transference between the the upper and lower intake manifold to lower inlet air temperature to increase horsepower and allow for increased timing with less detonation.
Quality Materials. CNC machined from a Custom Phenolic Fiber Material this Intake Manifold Spacer kit has been designed & dyno tested by BBK to ensure maximum performance.
Application. This 3/8" BBK GT-40 Intake Manifold Phenolic Spacer Kit is specifically designed for use on the 1986 to 1993 5.0L Mustang with the GT-40 or Cobra intake manifold installed.
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