phenolic spacer

  1. Twisted Tuning

    Twisted Tuning BMW N54/N55 Phenolic Intake Manifold Spacer

    The 1/4" spacer offers superior thermal insulation between the cylinder head and the intake plenum. This can be useful when plumbing custom intercooler piping or rotating the intake manifold. This is a Must have for anyone running an Aluminum Aftermarket intake manifold. Which Heats up the...