Chain driven cams Note: All cams are 99-present Twin Cam motors (exc.
06 Dyna).
Cams are made for splined cam sprocket.
Twin Cam 88 drive sprocket kit is required for 1999 models, use #49-4714 and 49-4710.
Also cam drive sprocket bolt and washer #6294.
For modified engines Higher comp.
10.
5:1 - up big bore kits, head modification Must use Crane Cams valve springs, clearance for .
600 in lift Strong mid-range torque with upper RPM power Must use performance air cleaner and free-flow exhaust Range: 2,000 to 6,200 RPM Advertised Duration @.
053 Duration Lift Intake 304 Degree 254 Degree 0.
600 Exhaust 310 Degree 260 Degree 0.
600 This product can be used with Harley-Davidson Twin Cam (Except 2006 Dyna) 90-06
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