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Speedmaster 1-147-048 SB Ford 351W Dual Plane Low-Rise Intake Manifold (BLACK)
Fits: Ford 351W V8 1969-1997
Intake Section Included: Complete
Engine Block Style: Stock / Standard deck
Carburetor Quantity: One
Intake Style: Dual plane
Basic Operating RPM Range: 1,500-6,500
Intake Manifold Height: 5.120 in.
Intake Finish: Black
Intake Material: Aluminum
EGR: No
Quantity: Sold individually.
This Speedmaster Low Rise manifold for 351w engines is the ultimate street performance manifold for this engine. It provides good top end power without sacrificing bottom end torque. Its long runner dual plane design provides the best of both worlds. Best with an aggressive street cam. For street, use a 600-750 cfm vacuum secondary or double pumper carb. For competition, use a 750-850 cfm double pumper. This manifold has a number of features not found in similar competitive manifolds. It includes a rear water crossover passage which can provide for more balanced cylinder head temperatures and a cooler running engine. It also has correctly positioned nitrous bosses for those of you who would like to add port nitrous injectors to your engine. Remember that every Speedmaster manifold is 100% pressure tested to discover any air, water, or exhaust leaks before you install it on your engine.