S&S Cycle SS33-5109 585V Camshaft for Evolution Big Twin 84-99Description for S&S Cycle 585 V2 Camshaft Versatile cam for engines with up to 10. 5: 1 compression ratio For 80 to 96 engines with 10: 1 10. 5: 1 compression, and larger engines with 9. 5: 1 10: 1 compression ratios Provides a streetable combination of low end torque and top end horsepower This cam is used in the S&S 111 Super SidewinderPlus engines Product Specs for S&S Cycle 585 V2 Camshaft Duration Intake @ . 053: 245 Hydraulic or Solid: Hydraulic