S&S Cycle 84-99 BT 520 Camshaft

A replacement part for S&S emissions certified engines, this is a short duration emissions cam with very little overlap to reduce emissions of unburned hydrocarbons. Requires high lift springs and normal clearance checks. 1000-4500 rpm (80"-96").

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Reference Information

520 CAM EVO BIG TWIN

Do you feel like your high-mileage EVO Big Twin engine has lost its gusto? S&S Cycle Evolution camshafts can to tap in to the hidden potential of your motorcycle's engine. So, what can you expect after the upgrade? For starters, you can expect higher lift and increased valve timing for better performance! S&S cams are made in-house to quality standards and come in various compression ratios to meet your engine needs. S&S Cycle Evolution cams are performance-driven, easy to install, and affordable!