Description
S&S S&S, 520 cam for Evo Big Twin
84-99 Evo Big Twin up to 96″ with 8.5-10:1CR (NU)
.520″ valve lift. Up to 96″ engine with 8.5 to 10:1 CR. Short duration & overlap reduce emissions of unburned carbohydrates and makes good low and mid-range power. Good for dressers and riding double. Used in many emission compliant engines. Requires high-lift springs and normal clearance checks. 1000-4500 RPM.