66-76 Ford 4WD F100 F150 F250 V8 352-390 FE Long Tube Exhaust Header Manifold

Vehicle Fitment :

• 1966-1976 Ford F-100, F-150, F-250 5.9L 6.4L V8
• Fits 4WD Models Only
• Fits Factory Heads Only. Aftermarket heads with +/- 2 Degree Exhaust Port Angle Variations will Cause Interference with Mount or Starter

What's in the box:

• Stainless Steel Racing Header
• Mounting hardware, bolts and gaskets

Product Feature:

Performance header provide each cylinder with its own mini exhaust pipe, which means exhaust headers prevent interference among cylinders; thus, the backpressure that occurs in common exhaust manifolds. When cylinders don't have to fight with each other to expel their exhaust, they can put more power through the wheels, pushing the engine to the full potential.

• Made of High Quality T304 Stainless Steel Material
• 4-1 High Performance Long Tube Racing Spec. Design, Produces the Most Top End Power
• Offers the Best Flow Characteristics for the Engine at High Engine Speeds
• Increase High Flow Air, Instantly Gain 10 -15 Hp. / Tq.
• Inlet/ Outlet: 1-3/4 OD / 3 OD
• Weldable 3 OD to 2-1/2 OD Collector Reducers
• 18 Gauge Wall Piping
• TIG Welded CNC Machine Flange
• 5/16 Thick Header Flange

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Please Note:

• This product is not currently CARB exempt and is not available for purchase in California or for use on any vehicle registered with the California Department of Motor Vehicles
• Installation Instruction is NOT Included
• We highly recommends professional installation on our performance parts