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MODMAX 4V DOHC CYLINDER HEAD REBUILD KIT - OEMOur line of cylinder head rebuild kits will get you all the parts to freshen up your cylinder heads.This OEM kit will fit all factory style 4.6 and 5.4 DOHC 4V Heads except for 5.4 GT, 5.4 Shelby, and 5.8 ShelbyIncludes the following:16 X ModMax Stock Replacement OEM Intake Valves16 X ModMax Stock Replacement OEM Exhaust Valves32 X ModMax OEM Replacement Valve Springs32 X New multi groove valve keepers32 X ModMax Viton Valve SealsRe use your factory OEM spring retainersDOES NOT INCLUDE CAMS, LIFTERS, OR ROCKERS