S&S Cycle 330-0105 557 EZ Chain Drive Cam Kit

Designed for Tri-Glides and other heavy bikes needing good bottom and mid-range performance. Bolt-in design Designed for Tri-Glides and other heavy bikes needing good bottom and mid-range performance. Bolt-in design DRIVE: Chain. EXHAUST CLOSE: 12.4 deg. EXHAUST DURATION: 231 deg. EXHAUST LIFT: .557in. EXHAUST OPEN: 38.8 deg. INTAKE CLOSE: 26.5 deg. INTAKE DURATION: 212 deg. INTAKE LIFT: .557in. INTAKE OPEN: 6 deg.