S&S 551G Gear Drive camshaft kit with new .551 inch lift cam is designed for engines with 96 to 106 CID and 9:1 to 10:1 compression this is a bolt-in cam set designed for stock or mildly modified touring bikes. Greatly improves low-end and midrange torque, strongest from idle - 4000 rpm.
Gear Drive cams improves valve timing accuracy by eliminating timing chain lash and there is no tensioner shoes to wear out or fail. Complete kit includes camshafts with inner gears, outer cam drive gear kit, and camshaft installation kit.
For 2006 Harley-Davidson® Dyna® and 2007-Up big twin models.
Can be used woth stock valve springs.
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