Ford SB 260 289 302 Windsor LowRise Aluminum Intake Manifold [Black] They're made to replace defective

They're made to replace defective or damaged pickups in all Speedmaster 7000 series distributors

The inertia ring rotates harmonically with the engine and absorbs the torsion vibration from the rotating assembly at any frequency and RPM

The OEM replacements get harder to find as time goes on

and return fittings

Just like when you change the oil and filter in your car

Ford SB 260 289 302 Windsor LowRise Aluminum Intake Manifold [Black] They're made to replace defectiveThe Speedmaster LowRise Manifolds are our lowest profile manifold and is also the only one that is street legal on pollution controlled vehicles. It is set up to accept a spread bore carb but comes with an adapter plate that permits the use of square bore carbs. To remain street legal with a square bore carb, you must use one that is also approved as street legal for your application.