These filters have the ability to be converted to -6 ORB by simpley removing the adpaters at the end of the filters
One piece construction from
Billet Ignition Lead SeparatorsBlack 2-Lead Horizontal Mount Suit 8
27mm High (4 Pack)
H eat Treated And Black Oxided
Performer 351-2V Intake Manifold ED2750 Product:Ford 302-351C 2V, Idle - 5500 rpm, Dual Plane, non-EGR These filters have the abilityPerformer 351 2V Intake ManifoldFord 302 351C 2V, Idle 5500 rpm, Dual Plane, non EGR ED2750 2750 Performer manifolds are dual plane, low rise intake manifolds with a 180 firing order and patented runner design that you won't find in other brands. This patented design greatly improves torque over a wide rpm range for excellent throttle response, especially off idle through the mid range. Performers are ideal for passenger cars, trucks, 4x4s, tow