(Application: Fit for K24A2 / K20Z3 Intake Mamifold. 1) Make a little more power with K-Tuned Intake Manifold and Throttlebody Heatshield Gaskets. 6) Reduces heat transfer into the intake manifold. 3) By insulating the intake and throttle body from the engine heat, it will decrease the intake air temperature, and increase horsepower.