Edelbrock RPM Air-Gap 351W Square Bore Dual Quad Intake Manifold - Small Block Ford 919090 The secondary tower is also

The secondary tower is also lengthened to aid in spark isolation and terminal connection

Designed for Chevy big-blocks with rectangular port cylinder heads

On the engineering side

Chrysler Ch-28

Edelbrock RPM Air-Gap 351W Square Bore Dual Quad Intake Manifold - Small Block Ford 919090 The secondary tower is alsoDesigned for 351W small block Fords, these intakes are taller than the low profile F 28 intake and offer performance improvements in the 1500 6500 rpm range. 7585, Ford, Edelbrock, Intake Manifold, Intake, Manifold, Dual Plane, Performer RPM, Performer RPM AIR GAP, Dual Quad, Satin Carb pad height: 4. 32" Carb recommendations: Edelbrock AVS2 Series #1903 and #1904, 500 cfm. Port exit dimensions: 1. 05" x 1. 89" Use RTV sealant to properly seal end