Voodoo Hydraulic Roller Cam - Harley Davidson Twin Cam 309/317
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Hydraulic Roller Cam. Maximum upper RPM power. Great for large 95-107+ c.i. engines with in- creased compression and fuel/exhaust system upgrades. ;Advertised Duration (Int/Exh): 309/317 ;Duration @ .050 (Int/Exh): 255/263 ;Gross Valve Lift (Int/Exh): .593/.601 ;LSA/ICL: 109/105 ;Valve Lash (Int/Exh): Hyd/Hyd ;RPM Range: 2500-6700 ;Includes: Cams Only