1981, 1983 Plymouth PB150 5.2L V8 2BBL. 1981 Plymouth PB150 5.2L V8 4BBL. Notes: Engine Intake Manifold Gasket Set -- 1.00 (in) x 2-3/16 (in) Large Ports; with 5 Bolt Valve Cover. EVERY PART FOR THE REPAIR -- Fel-Pro gasket sets include every part needed for the repair unless otherwise noted.