Ford Racing FR9 NASCAR Intake Manifold.The FR9 NASCAR intake manifold is approved for NASCAR open Sprint Cup events. This intake is recommended for circle track competition. Previous 351 Windsor and Cleveland based engines are different from the FR9 engine as it is completely unique.
Ford Racing's intake manifold is constructed from A356-T6 aluminum and features an open plenum design. Plenum and runner interiors are as-cast. Intended operating range is 6000-9500 RPMs.
*Ford Racing cylinder head M6049E1 and FR9 engine block M6010R500 are required.
*Plenum and runners require porting before use.
This product will fit the following Ford Mustang years:
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