21 SERIES GRIND CAMS

• Bolt-in cam for more torque with stock compression
• Works well with carbs or fuel injection
• Cams work well with fuel injection or carburetor models
• Similar to the EV-23 cam
• Can be used with stock valve springs and tappets
• Run best with low restriction exhausts (1700-5200 rpm)
• Fits: Harley Twin Cam models (excluding Dyna 2006)