Phenolic intake manifold spacer for the 1.8T blocks heat conducted heat transfer from the cylinder head to the intake. Cooler intake temperatures translate to more power and torque with less tendency for preigniton or detonation problems. Material thickness is a class-leading 10mm. Kit also includes 2x OEM gaskets plus longer hardware for a quick n' easy installation.
Now available in large, small, and transition port variants. Choose the appropriate size for your large or small port intake manifold. Or, use the transition type to adapt a small port head to large port manifold or vice-versa.