Andrews 21HG Gear Drive Camshafts - 216321G

• Gear drive uses less engine power to operate and improves valve timing accuracy over stock chain drive camshafts
• Dynamometer comparisons show gains of 4 horsepower over chain drive camshafts
• Can be installed on both carbureted and fuel injected models (exc. 2006 Dyna)
• Bolt-in cam first introduced in 2000
• More torque for all around riding with stock comp. ratio and heavy bikes
• Similar to #23 cam for EV80 (1700-5200 RPM)
• NOTE: Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance
• NOTE: Sold as cams only, inner and outer gear kit and installation kit must be purchased separately
• Intake Opening (degrees): 10
• Intake Closing (degrees): 30
• Exhaust Opening (degrees): 40
• Exhaust Closing (degrees): 08
• Intake Duration (degrees): 220
• Exhaust Duration (degrees): 228
• Intake Lift (in): .498
• Exhaust Lift (in): .498

Instructions