Ford SB 260 289 302 Windsor LowRise Aluminum Intake Manifold [Black] The inertia ring rotates harmonically

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

this fuel pump is ideal for high-performance applications

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

thicker walls

allowing the air cleaner to sit low enough to shut the hood

Ford SB 260 289 302 Windsor LowRise Aluminum Intake Manifold [Black] The inertia ring rotates harmonicallyThe 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.