XTREME ENERGY CAMS FOR BIG TWIN EVOLUTION

• Xtreme Energy cams feature exclusively shaped (steeper) ramps designed to open and close quicker providing increased engine vacuum and more cylinder pressure
• These cams achieve maximum velocity sooner without resulting in excessive valve train noise
• Designed for hydraulic type tappets
• Must be used with adjustable pushrods
• High lift valve spring kits are required
• Made from 6150 heat treated aircraft quality steel that has been case hardened for durability and strength
• Available with or without a drive gear. Cams with gear include the most common sized gear (red). Cams without gear can be used with your existing gear to preserve your exact gear mesh.
• Fits Big Twin Evolution 1984/1999

Mid-USA Part Number: 66521

UOM: EA