S&S Cycle 475G Gear Drive Cam Kit for 1999-2006 Harley-Davidson Twin Cam Big Twin

S&S Cycle 475G Gear Drive Cam Kit for 1999-2006 Harley-Davidson Twin Cam Big Twin

Gear drive precision and a power profile tuned for street riding make this cam upgrade a natural choice for Twin Cam builds where reliability matters as much as performance. Riders report a smoother, quieter engine with a more linear throttle feel that makes long hauls and daily use equally satisfying.

Key Features

• Gear drive eliminates timing chain lash and tensioner maintenance
• 0.475″ lift matched to street and touring riding profiles
• 216/220-degree duration at 0.053″ for balanced street performance
• Compatible with modified displacement builds requiring S&S oil pump
• Precision machined to S&S Cycle quality standards

Technical Specifications

• Lift: 0.475″
• Drive Type: Gear Drive
• Duration: 216/220 degrees at 0.053″
• Compatible Engine: Twin Cam 88
• Required Components: S&S oil pump, ball bearing cam bearing

Fitment Notes

• Fits 1999-2006 Harley-Davidson Big Twin models
• Does not fit 2006 Dyna models
• Requires S&S oil pump – stock oil pump is not compatible with this cam
• Requires gear cover machining – not a bolt-in installation
• Requires ball bearing cam bearing; stock roller bearings are not compatible
• Review the Fitment tab for complete year and model breakdown