Andrews TW31S Chain Drive Camshafts - 288131

• Splined chain drive camshafts
• Kits include: cams, 1 roller bearing and 1 ball bearing (bearing only included in 1999-2006 models. Roller bearing can be purchased separately)
• Designed for use with stock Harley-Davidson hydraulic lifters
• Can be installed on both carbureted and fuel injected models
• Great cam for motors with 95in. and 9.8 to 10.2 compression
• Lower TDC lift for easy installation
• 2000-5600 RPM range
• High lift springs required on 1999-2004 engines
• NOTE: Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance
• Intake Opening (degrees): 10
• Intake Closing (degrees): 46
• Exhaust Opening (degrees): 52
• Exhaust Closing (degrees): 08
• Intake Duration (degrees): 236
• Exhaust Duration (degrees): 240
• Intake Lift (in): .510
• Exhaust Lift (in): .510

Instructions