aFe Power Magnum FLOW Pro 5R Air Filter Element - Conical - 6" Base Diameter - 4-3/4" Top Diameter - 9" Tall - 4" Flange - Reusable Cotton - Blue Fresh Air System Blower Wiring Harness On E85 550HP Forced EFI

On E85 550HP Forced EFI

Spring cup will fit stock springs up to 1

28 in Griffin Radiators

not the older style cores some manufacturers offer

5/8 in Head

aFe Power Magnum FLOW Pro 5R Air Filter Element - Conical - 6" Base Diameter - 4-3/4" Top Diameter - 9" Tall - 4" Flange - Reusable Cotton - Blue Fresh Air System Blower Wiring Harness On E85 550HP Forced EFIThe Pro 5R is our most performance oriented media available, outperforming virtually all other cotton gauze media on the market today. It provides your engine with the largest amount of high flowing air, usually resulting in the highest horsepower and torque gains out of all aFes filter media options. 98. 6% Filtration Efficiency Advanced FLOW engineering (aFe Power) is a premier designer and manufacturer of automotive performance upgrade systems and