PART #1584 FEATURES: Premium Graphite Material Resists Blow-Out Premium High Temperature Facing Material Fits BBK part number 1536, 1539, 1542, 1544 Twin 58MM Throttle Bodies VEHICLE FITMENT: 1985-1992 GM 5.0L / 5.7L with TPI Quality Replacement Gasket This BBK Premium reinforced graphite throttle body gasket is designed to give your BBK throttle body equipped 1985-1992 GM 5.0 / 5.7L with TPI engine a quality, long lasting, secure seal. Fitment BBK high quality replacement throttle body gaskets are great for replacing damaged gaskets or when taking off the throttle body for any reason. Fits with BBK 1536, 1539, 1542, 1544 Twin 58mm throttle bodies