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How to install a BBK Phenolic Spacer Kit for Intake Manifolds on your Mustang

Installation Time

3 hours

American Muscle
Shop Parts in this Guide


Step 1 Disconnect the throttle duct hose from the throttle body.

Step 2 Disconnect the throttle linkage from the throttle body and also the kickdown linkage if applicable.

Step 3 Disconnect the wire connectors from the upper manifold and also the vacuum lines on the underside of the upper intake.

Step 4 Remove the cover plate from the upper intake if so equipped. Next remove the six bolts from the upper intake.

Step 5 Lift off the upper intake and discard the gasket, also making sure both surfaces are free from dirt and grease.

Step 6 Next install the phenolic spacer by placing a new gasket on both sides of the spacer.

Step 7 Use the new bolts provided and tighten to 14-24 lbs. in a cris-cross pattern beginning with the center bolts.

Step 8 Next simply reverse the previous steps.

This guide applies to Vehicle years: 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993 and Submodels: Foxbody