Andrews

TW21 Camshafts 288121

Description

Andrews Products Grinds Its Cams Using a Computer With Cam Design Capabilities. This Superior Technology Gives the Utmost in Both Performance and Reliability. Only the Best Alloy Steel Billets and Heat-Treating Processes Are Used. The Power in a Harley Twin Cam Engine Is Completely Released Only When Superior Andrews Computer-Designed High-Performance Cams Are Installed. Cams Come With New Bearings (1 Roller and 1 Ball).

TW21 CHAIN DRIVEN CAMS
  • Bolt-in Cam With More Torque at Low and Middle Rpm Range (1,700-5,200 Rpm)
  • Similar to EV23 for Heavy Bikes
  • Work Well With Either Fuel-Injection or Carburetor
  • Fits All 1999-2006 Harley Davidson Twin Cam Models (Excludes 2006 FXD)
  • Use With Stock Springs
  • Made in the USA
  • Sold as a Set


    • INTAKE
  • Open (In Degrees): 10
  • Close (In Degrees): 30
  • Duration at .053 (In Degrees): 220
  • Duration at .020 (In Degrees): 255
  • Valve Lift: .498
  • Lift at TDC: .134


    • EXHAUST
  • Open (In Degrees): 40
  • Close (In Degrees): 8
  • Duration at .053 (In Degrees): 228
  • Duration at .020 (In Degrees): 264
  • Valve Lift: .498
  • Lift at TDC: .121


  • NOTE: 2000-2006 Model Cams Use a Splined Cam Drive Sprocket. These Cams Will Also Fit on 1999 Twin Cam Models ONLY if Either OEM P/N 25716-99 or Andrews P/N 288015 Splined Cam Drive Sprocket Is Used
  • NOTE: It Is the Installer's Responsibility to Check Coil Bind and All Clearances
  • NOTE: The Image Displayed Is Representative of Andrews Cams, but May Vary Depending on Your Specific Model.