Voodoo Hydraulic Roller Swinging Follower - Ford 4.6L & 5.4L Modular 3 Valve 271/283
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Hydraulic Roller Swinging Follower Cam Set. Big gains with bolt on blower. Like 3.73 gears and 2500 stall. Need springs, phaser mods and custom tuning. Rough idle. ;Advertised Duration (Int/Exh): 271/283 ;Duration @ .050 (Int/Exh): 233/245 ;Gross Valve Lift (Int/Exh): .500/.512 ;LSA/ICL: 114/102 ;Valve Lash (Int/Exh): Hyd/Hyd ;RPM Range: 1800-6800 ;Includes: Cams Only