Andrews TW21 Chain Drive Cams For Harley Twin Cam 1999-2006

Andrews TW21 Chain Drive Cams For Harley

Andrews Products has been regarded as an industry leader in motorsports since 1972. Andrews uses cutting-edge engineering, design, and manufacturing technologies to produce high-quality camshafts for the performance motorcycle market.

Features:

• Only the best alloy steel billets and heat-treating processes are utilized
• Stock compression ratios and stock pistons
• Made in the USA

TW21 Cam Specs:

• Bolt-in cams more torque for all around riding with heavy bikes
• Peak rpm range of 1700-4800
• Intake open/close 10°/30°
• Exhaust open/close 40°/08°
• Intake duration 220°/255°
• Exhaust duration 228°/264°
• Intake lift at TDC: .134°
• Exhaust lift at TDC: .121°
• Intake lift .498″
• Exhaust lift .498″
• Uses stock springs

Note: Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance