S&S Cycle MR103 Chain Drive Camshaft Kit 99-06 Big Twin Cam Cams Harley Touring
Designer: S&S Cycle
- Unit Price
Free delivery to the Lower 48 States
30 Day Returns and Exchanges
Fitmet Questions? Call us at 610-754-8500
PART # 330-0456
Fits 1999-2006 Harley Big Twin Models w/ Chain Drive
(DOES NOT FIT 2006 Dyna MODELS)
S&S MR103C chain drive camshaft kit for 1999-2006 HD Big Twins except 2006 HD Dyna are recommended for modifed engines with larger displacement and higher compression.
More torque and horsepower than bolt in cams can deliver.
Stock valve springs in 2005–2006 engines may be used with MR103 and HP103 cams.
An S&S oil pump and cam support plate, along with a stock 2007 and later style hydraulic cam chain tensioner upgrade is highly recommended for chain drive cams.
Performance intake and exhaust is recommended for maximum performance increase.
Intake Open: 13°
Intake Close: 33°
Intake Lift: 0.585"
Intake Duration: 226°
Exhaust Lift: 0.585"
Exhaust Duration: 252°
Exhaust Open: 50°
Exhaust Close: 22°