Andrews, gear drive cam shaft set 64G/.640"

99-06 Twin Cam (excl. 2006 Dyna) (NU)

.640" valve lift. Without inner & outer gears. These are available from S&S as 503606. An S&S (503566) or Andrews (503660) camshaft installation kit provides all parts for installation as bearings, gasket etc. High lift cam for modified 95-116+ inch engines with 10.2 or higher CR. Heads must be set for .700" lift and modified for maximum flow. Use high-lift springs. 3000-6500+ RPM. Note: The inner drive gears are not installed on Andrews camshafts and must be ordered separately. Installation will require specialty tools. Note: An outer drive gear set is also required for installing these cams and must be ordered separately.